(596) Scheila ( P/1906 UA)
2011 Abr. 05.01 UT: m1=13.8, Dia.= --, DC=9; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España ) [Apariencia estelar. Estrellas de comparación de la fotometría Henden del campo 3C232]
2011 Mar. 07.04 UT: m1=13.5, Dia.= --, DC=9; 20cm SCT (100x); Juan José González (Aralla, alt. 1430 m., León, España) [Apariencia estelar. Estrellas de comparación de la fotometría Henden cerca de 3C232. Cielo muy claro de montaña]
2011 Feb. 05.08 UT: m1=13.6, Dia.= --, DC=9; 20cm SCT (100x); Juan José González (Valle Peral - Lena, alt. 940 m., Asturias, España) [Apariencia estelar. Estrellas de comparación de la fotometría Henden cerca de 3C232. Cielo muy claro de montaña]
2011 Ene. 15.21 UT: m1=13.8, Dia.= --, DC=9; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Apariencia estelar, sin observarse coma post-outburst.Estrellas de comparación de la fotometría Henden cerca de 3C232. Cielo muy claro de montaña]
2010 Dic. 17.17 UT: m1=11.5, Dia.=3.5', DC=s2/; 20cm SCT (100x); Juan José González (Aralla, alt. 1440 m., León, España) [Apariencia cometaria. Condensación central estelar, m2=13.9. Coma asimétrica, con débil región exterior. Extensión en forma de cola de longitud 7' en AP 290º. Estrellas de campo comprobadas en el DSS. Estrellas de comparación para m2 tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]
2010 Dic. 14.09 UT: m1=11.7, Dia.=2.5', DC=s2/; 20cm SCT (100x); Juan José González (Aralla, alt. 1440 m., León, España) [Apariencia cometaria. Condensación central estelar, m2=13.8. Coma asimétrica, con débil región exterior. Extensión en forma de cola de longitud 4' en AP 290º. Estrellas de campo comprobadas en el DSS. Estrellas de comparación para m2 tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]

240P/NEAT
2011 Apr. 23.24 UT: m1=15.0 ccd, Dia.=0.6'; 21cm R + CCD; A. Novichonok & D. Chestnov (remotely Tzec Maun observatory, Mayhill, USA)
2010 Dic. 17.22 UT: m1=14.0, Dia.=0.6', DC=5; 20cm SCT (133x); Juan José González (Aralla, alt. 1440 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]
2010 Dec. 04.80 UT: m1=14.6, Dia.=0.4', DC=4; 40cm L f:4 (144x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Sep. 19.00 UT: m1=16.5 ccd, Dia.=0.27', DC=8/, tail 0.84' in PA 262 deg.; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)

235P/LINEAR
2010 May. 05.26 UT: m1=18.7 ccd, Dia.=0.2'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)

223P/Skiff
2010 Sep. 19.02 UT: m1=19.2 ccd, Dia.=0.14', DC=3; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)

222P/LINEAR
2009 Sep. 20.79 UT: m1=13.6, Dia.=0.8', DC=1/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2009 Aug. 31.18 UT: m1=12.3, Dia.=0.7', DC=6; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m, León, España) [ Significativamente más brillante que lo previsto. Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 20 minutos. Cielo muy claro de montaña. Crepúsculo astronómico. Altura sobre el horizonte: 16º]

217P/LINEAR
2010 Feb. 06.34 UT: m1=13.0 ccd, Dia.=0.21', DC=5; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 02.88 UT: m1=13.5, Dia.=1.2', DC=2; 20cm SCT (133x); Juan José González (Camposagrado, alt. 1135 m, León, España) [Estrellas de comparación de la secuencia Henden de V650 Ori]
2010 Ene. 12.92 UT: m1=12.7, Dia.=1.2', DC=5; 20cm SCT (133x); Juan José González (Grandota - Oviedo, alt. 430 m, España)
2009 Dez. 18.208 UT: m1=12.1, Dia.=1', DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Dic. 12.02 UT: m1=11.7, Dia.=1.5', DC=4; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Dic. 11.95 UT: m1=11.7, Dia.=2', DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Dez. 06.062 UT: m1=10.9, Dia.=2', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 24.03 UT: m1=11.2, Dia.=1.2', DC=3; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 19.01 UT: m1=11.0 ccd, Dia.=2.5', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2009 Nov. 18.08 UT: m1=10.7, Dia.=1.2', DC=3; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 14.260 UT: m1=10.6, Dia.=2.5', DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 13.125 UT: m1=10.6, Dia.=2.5', DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 26.08 UT: m1=10.3, Dia.=2.5', DC=5,  Tail: 0.1 deg. in PA 280deg.; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Out. 24.208 UT: m1=10.5, Dia.=2.5', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [coma elongada em PA 290°]
2009 Out. 21.167 UT: m1=10.5, Dia.=2.5', DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 18.15 UT: m1=10.1, Dia.=2', DC=4; 20cm R F9; Alfons Diepvens (Balen, Belgium)
2009 Oct. 17.04 UT: m1=10.2, Dia.=3', DC=4, cola=5'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Out. 16.187 UT: m1=10.4:, Dia.=2.5', DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [muito próximo a estrela com m1:6.22]
2009 Oct. 16.10 UT: m1=10.1, Dia.=2.5', DC=5/, Cola: 0.1º in AP 290º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Después del reciente y menor outburst, el cometa muestra su coma interna más brillante, pero sin un incremento notable hasta ahora de la magnitud visual total]
2009 Out. 10.156 UT: m1=10.4, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 29.13 UT: m1=9.9, Dia.=3.5', DC=5, Cola: 0.2º in AP 280º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Set. 26.292 UT: m1=10.2, Dia.=2', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 25.08 UT: m1=10.4, Dia.=3', DC=5, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España) [Algo alargado]
2009 Sep. 24.73 UT: m1=9.9, Dia.=4'; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2009 Sep. 24.72 UT: m1=10.2, Dia.=3', Tail=0.17 deg. in PA=270 deg.; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Fainter using Swan Band filter]
2009 Sep. 23.14 UT: m1=9.8, Dia.=4', DC=5, Cola: 0.2º in AP 280º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 22.394 UT: m1=10.5, Dia.=3.0', DC=4; 15cm SCT (37x y 60x); Salvador Aguirre (Hillo, Sonora, México)
2009 Sep. 20.75 UT: m1=10.2, Dia.=4.0', DC=7, Tail 8' in PA 255 deg.; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2009 Set. 13.292 UT: m1=10.5, Dia.=1.5', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 01.14 UT: m1=11.0, Dia.=1', DC=7; 200mm R F9; Alfons Diepvens (Balen, Belgium)
2009 Aug. 31.15 UT: m1=9.9, Dia.=4', DC=5, Cola: 0.2º en AP 270º; 20cm SCT (77x); Juan José González ( Alto del Castro - Aralla, alt. 1720 m, León, España)
2009 Ago. 29.333 UT: m1=10.9, Dia.=2', DC=6/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Aug. 29.16 UT: m1=10.2, Dia.=3', DC=5; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m, León, España)
2009 Ago. 22.05 UT: m1=11.6, Dia.=3', DC=4; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Aug. 19.10 UT: m1=10.1, Dia.=4', DC=4, Cola: 0.1º in PA 270º; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m, León, España)
2009 Aug. 15.61 UT: m1=11.0, Dia.=2’, DC=5; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia) [No tail, bright star in vicinity, coma elongated to SW, 25 degrees above East horizon. Comp Star= GSC-4710-0103; Method= S; Cat= HS ]

215P/NEAT
2010 Jun. 10.39 UT: m1=18.3 ccd, Dia.=0.17', DC=8; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)

213P/Van Ness / Curva de Luz: Mag Reducida por Delta versus Días al Perihelio
2011 Nov. 24.55 UT: m1=[13.6; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 17.83 UT: m1=11.0, Dia.=6', DC=1/; 20cm SCT (77x); Juan José González (Angliru - Sierra del Aramo, alt. 1540 m., Asturias, España) [Coma amplia y difusa, con débil región exterior. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2011 Oct. 20.95 UT: m1=11.5, Dia.=4', DC=2; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Oct. 01.07 UT: m1=11.2, Dia.=4', DC=2; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Set. 28.104 UT: m1=11.2, Dia.=2', DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Sep. 24.89 UT: m1=11.0, Dia.=5', DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Sep. 22.40 UT: m1=13.2, Dia.=0.8’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, observation difficult, no tail. Comp Star= ASAS-3 224556+0437.1; Method= S; Cat= AU]
2011 Sep. 21.41 UT: m1=13.4, Dia.=2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail, averted vision. Comp Star= ASAS-3 224608+0425.5; Method= S; Cat= AU]
2011 Sep. 19.91 UT: m1=11.0, Dia.=5', DC=2/; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Sep. 07.07 UT: m1=11.2, Dia.=4', DC=3; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Set. 01.187 UT: m1=11.8, Dia.=1.5', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Ago. 26.98 UT: m1=11.2, Dia.=3', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma elongada]
2011 Aug. 25.85 UT: m1=13.8, Dia.=1.0', DC=3; 25.4 cm reflector (171x); Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 25.71 UT: m1=12.3:, Dia.=2', DC=3; 20cm L f/5; Man-To Hui (Canton, China) [barely seen by averted vision during good seeing; city lights]
2011 Aug. 25.50 UT: m1=12.3, Dia.=3’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail. Comp Star= TYC 267-273-1; Method= S; Cat= TJ
2011 Aug. 24.51 UT: m1=13.7, Dia.=0.9’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Small, diffuse coma with slight increase in brightness to centre, no tail, visible using averted vision in good seeing. Comp Star= ASAS-3 230805+0359.9; Method= S; Cat= AU
2011 Aug. 09.76 UT: m1=12.4:, Dia.=1.1', DC=3; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Ago. 08.09 UT: m1=11.8, Dia.=2.5', DC=3; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Ago. 03.09 UT: m1=12.2, Dia.=1.5', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Jul. 28.56 UT: m1=13.5, Dia.=1’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, difficult, visible using averted vision in good seeing. Sky background washed out. Comp Star= ASAS-3 232002+0142.2; Method= S; Cat= AU]
2011 Jul. 28.11 UT: m1=12.0, Dia.=2.5', DC=3; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 Jul. 26.02 UT: m1=14.6, Dia.=0.5', DC=1/; 32cm L5 (124x); José Carvajal (Madrid, España) [Método: S, Cat: NP]
2011 Jul. 10.333 UT: m1=12.0, Dia.=2', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Jul. 05.07 UT: m1=12.0, Dia.=1.5', DC=3; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma elongada. Estrellas de comparación de la fotometría TASS]
2011 Jun. 26.76 UT: m1=11.9, Dia.=2.3’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma largely diffuse, small broad central condensation, no tail, moonlight affected, averted vision. Comp Star= ASAS-3 231031-0356.2; Method= S; Cat= AU]
2011 Jun. 24.58 UT: m1=13.2, Dia.= 1’, DC=0/1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very faint and diffuse, difficult, only visible using averted vision in periods of good seeing. Comp Star= ASAS-3 230818-0337.8; Method= S; Cat= AU]
2011 Jun. 06.77 UT: m1=12.9, Dia.=1.5’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma largely diffuse, small but noticeable increase in brightness of central condensation in periods of good seeing, enhances slightly with Swan band filter, averted vision. Comp Star= ASAS-3 225001-0718; Method= M; Cat= AU]
2011 Jun. 04.09 UT: m1=12.2, Dia.=1.2', DC=5; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Más brillante que lo previsto. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden del campo de EI Psc. Altura sobre el horizonte: 16º]
2010 Jun. 14.20 UT: m1=18.6 ccd, Dia.=0.24', DC=2/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 20.40 UT: m1=19.1 ccd, Dia.=0.10', DC=9; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)

176P/LINEAR
2010 Jun. 10.40 UT: m1=19.7 ccd, Dia.=0.17', DC=8/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)

174P/Echeclus
2011 Jun. 04.01 UT: m1=14.3, Dia.=0.4', DC=6; 20cm SCT (206x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden de los campos SA132 y V818 Sco. Magnitud límite estelar de 15.3 (GSC) en el sector del cometa. Cielo muy claro de montaña]

169P/NEAT
2010 Feb. 20.41 UT: m1=15.9 ccd, Dia.=0.27', DC=8; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 06.36 UT: m1=15.7 ccd, Dia.=0.35', DC=9; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Fev. 04.052 UT: m1=14.3:, Dia.=0.25', DC=6/; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil) [próximo ao meu limite visual]
2010 Jan. 24.52 UT: m1=16.5 ccd, Dia.=0.28', DC=9; 0.15-m f/7 refractor + CCD; Sergey Shurpakov (D96, Australia)
2009 Nov. 18.77 UT: m1=9.2, Dia.=4', DC=2/; 20cm SCT (100x); Juan José González (Pico Cueto - Busfrío - Cudillero, alt. 770 m, Asturias, España) [Significativamente más brillante que las previsiones. Amplia coma elongada con débil región externa. Cielo muy claro de montaña. Fin del crepúsculo astronómico. Altura sobre el horizonte: 9º]

158P/Kowal-LINEAR
2010 Jun. 17.34 UT: m1=18.6 ccd, Dia.=0.18', DC=8; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 June 16.24 UT: m1=18.5:, Dia.=0.2'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)

149P/Mueller
2010 Jun. 19.33 UT: m1=18.4 ccd, Dia.=<0.2'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May. 08.34 UT: m1=18.2 ccd, Dia.=0.2'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May. 05.28 UT: m1=17.9 cdd, Dia.=0.2'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Apr. 14.86 UT: m1=18.3 cdd, Dia.=0.15'; 30 cm L +CCD; Artyom Novichonok & Timur Kryachko (remotely Zelenchukskaya Station, Russia)

130P/McNaught-Hughes
2011 Ago. 01.12 UT: m1=14.0, Dia.=0.4', DC=5; 20cm SCT (206x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden cerca de R Aqr. Cielo muy claro de montaña]

128P/Shoemaker-Holt
2010 Mar. 13.81 UT: m1=13.1, Dia.=1', DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2010 Feb. 20.39 UT: m1=18.7 ccd, Dia.=0.17', DC=8; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)

118P/Shoemaker-Levy 4
2010 Mar. 13.958 UT: m1=13.1:, Dia.=0.75', DC=3; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 11.81 UT: m1=12.3, Dia.=1', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Feb. 06.55 UT: m1=13.5 ccd, Dia.=1.0'; 18-cm L + CCD; Artyom Novichonok & D. Chestnov (remotely Moorook, Australia)
2010 Feb. 06.34 UT: m1=12.6 ccd, Dia.=0.98', DC=7/, Tail:0.37' in PA:75 deg; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Fev. 02.979 UT: m1=12.0, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 02.82 UT: m1=12.3, Dia.=1.0', DC=3; 20cm SCT (100x); Juan José González (Camposagrado, alt. 1135 m, León, España)
2010 Jan. 24.50 UT: m1=14.2 ccd, Dia.=0.34', DC=7/; 0.15-m f/7 refractor + CCD; Sergey Shurpakov (D96, Australia)
2010 Ene. 12.90 UT: m1=11.5, Dia.=1.5', DC=2/; 20cm SCT (100x); Juan José González (Grandota - Oviedo, alt. 430 m, España)
2009 Dez. 18.145 UT: m1=12.8, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Dec. 16.50 UT: m1=12.7, Dia.=1.5'; 25.4cm L (114x); David A. J. Seargent (Cowra, NSW, Australia)
2009 Dez. 16.208 UT: m1=12.7:, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2009 Dec. 15.50 UT: m1=12.7, 25.4cm L (114x); David A. J. Seargent (Cowra, NSW, Australia)
2009 Dic. 12.03 UT: m1=13.3, Dia.=0.5', DC=6; 20cm SCT (200x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la secuencia Henden de V650 Ori. Cielo muy claro de montaña.]
2009 Nov. 18.98 UT: m1=13.8 ccd, Dia.=0.4', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2009 Nov. 18.19 UT: m1=13.5, Dia.=0.6', DC=5; 20cm SCT (222x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la secuencia Henden de V650 Ori]
2009 Oct. 26.04 UT: m1=13.6, Dia.=0.7', DC=5; 20cm SCT (222x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 45 minutos. Estrellas de comparación de la secuencia Henden de V650 Ori. Cielo muy claro de montaña]
2009 Sep. 20.76 UT: m1=[14.3; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)

116P/Wild
2010 Jun. 17.37 UT: m1=17.0 ccd, Dia.=0.39', DC=3/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 Jun. 10.41 UT: m1=16.5 ccd, Dia.=0.38', DC=8, tail:2.1' in PA:265 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)

103P/Hartley
2011 Mar. 30.81 UT: m1=15.7 ccd, Dia.=0.25', DC=4; 41cm L f:3.8 + CCD; Sergey Shurpakov (A98, Baran', Belarus)
2011 Mar. 07.01 UT: m1=12.5, Dia.=1.2', DC=3; 20cm SCT (133x); Juan José González (Aralla, alt. 1430 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría TASS. Cielo muy claro de montaña]
2011 Feb. 05.06 UT: m1=11.0, Dia.=2.5', DC=2; 20cm SCT (133x); Juan José González (Valle Peral - Lena, alt. 940 m., Asturias, España)
2011 Ene. 24.89 UT: m1=10.2, Dia.=3', DC=2/; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Ene. 15.16 UT: m1=9.5, Dia.=5', DC=2; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Varias estrellas dentro de la coma, con mag. 10.3 (TK) para la más brillante]
2011 Jan. 04.125 UT: m1=9.3, Dia.=10', DC=2; 20x100 B; Marco Goiato (Araçatuba, Brasil) [próximo a estrela com m1: 6.82]
2011 Jan. 04.00 UT: m1=9.0:, Dia.=5'; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Dec. 31.46 UT: m1=9.2, Dia.=6', DC= 2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse. Comp Star= TYC 5965-580-1; Method= S; Cat= TJ]
2010 Dec. 31.04 UT: m1=8.8, Dia.=10', DC=2; 20x60 B; Willian Souza (Santos, Brazil)
2010 Dec. 30.48 UT: m1=9.5, Dia.=5.5', DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears smaller than the last observation, background stars in coma. Comp Star= TYC 5965-17-1; Method= S; Cat= TJ]
2010 Dez. 30.135 UT: m1=9.1, Dia.=12', DC=2; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Dez. 30.125 UT: m1=9.2, Dia.=10', DC=3/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Dec. 29.48 UT: m1=8.4, Dia.=8.5', DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5969-974-1; Method= S; Cat= TJ]
2010 Dec. 27.99 UT: m1=8.3, Dia.=10', DC=2; 20x60 B; Willian Souza (Aguas de Lindoia, Brazil)
2010 Dic. 15.54 UT: m1=7.5, Dia.=15', DC=2; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5987-557-1: Method= S: Cat= TJ]
2010 Dic. 14.52 UT: m1=8.0, Dia.=17', DC=2; 7x50 B; Chris Wyatt (Walcha, NSW, Australia [No tail, coma slightly condensed. Comp Star= TYC 5987-1775-1: Method= S: Cat= AU]
2010 Dic. 14.12 UT: m1=7.6, Dia.=12', DC=3; 25x100 B; Juan José González (Aralla, alt. 1440 m., León, España)
2010 Dic. 12.54 UT: m1=7.5, Dia.=10', DC=1; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5987-3116-1: Method= S: Cat= TJ]
2010 Dic. 12.53 UT: m1=8.3, Dia.=9.6', DC= 4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma shows small central condensation with a bar-like feature extending West within the coma, outer coma appears offset to the North. Comp Star= TYC 5983-487-1: Method= S: Cat= TJ]
2010 Dic. 11.55 UT: m1=7.9, Dia.=8´, DC=3; 25x100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Dic. 11.53 UT: m1=7.7, Dia.=20', DC=1/2: 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5987-216-1: Method= S: Cat= TJ]
2010 Dic. 11.05 UT: m1=7.4, Dia.=12', DC=2/; 25x100 B; Juan José González (El Fito - Sierra del Sueve, alt. 570 m., Asturias, España)
2010 Dez. 09.145 UT: m1=7.4, Dia.=15', DC=2; 7x50 B; Marco Goiato (Araçatuba, Brasil)
2010 Dic. 07.51 UT: m1= 7.6, Dia.=12´; 10x50 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Dez. 07.156 UT: m1=7.3, Dia.=15', DC=2; 7x50B: Marco Goiato (Araçatuba, Brasil)
2010 Dez. 05.167 UT: m1=7.6, Dia.=12', DC=3; 20x100 B; Marco Goiato (Araçatuba, Brasil) [Nebulosidade]
2010 Dec. 04.78 UT: m1=7.6, Dia.=11', DC=6; 40cm L f:4 (36x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Dic. 04.09 UT: m1= 7.5, Dia.=10', DC=3, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2010 Dic. 04.05 UT: m1=7.2, Dia.=15', DC=3; 10x50 B; Juan José González (Puente del Embalse de Barrios de Luna, alt. 1120 m., León, España)
2010 Nov. 29.00 UT: m1=7.1, Dia.=12', DC=3/; 10x50 B; Juan José González (Puerto de Aralla, alt. 1545 m., León, España ) [Antes del orto lunar. Altura sobre el horizonte: 16º]
2010 Nov. 28.09 UT: m1=7.0:, Dia.=10', DC=1; 20x80 B; Alexandre Amorim (Florianopolis,Brazil) [clouds]
2010 Nov. 17.29 UT: m1=6.7, Dia.=10', DC=2/; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 16.02 UT: m1=6.5, Dia.=10', DC=4; 25 cm reflector (60x); Vyacheslav Ivanov (Peschanka, Russia)
2010 Nov. 15.250 UT: m1=6.2, Dia.=20', DC=3, 7x50B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 14.65 UT: m1=6.9, Dia.=20', DC=2/3; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma broad and elongated to North. Comp Star= TYC 5400-4701-1; Method= S; Cat= TJ]
2010 Nov. 14.23 UT: m1=6.0, Dia.=12’, DC=1, Cola: No visible; 20cm SCT (32x); Alberto Anunziato (Oro Verde, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2010 Nov. 14.135 UT: m1=6.1, Dia.=22', DC=3, 7x50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 13.63 UT: m1=6.6, Dia.=11', DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and ciruclar, edges diffuse, gradual brightening to centre, central condensation not stellar. Comp Star= TYC 4828-2768-1; Method= S; Cat= TJ]
2010 Nov. 13.19 UT: m1=5.3, Dia.=30', DC=4; monocular 4x30; Juan José González (Collada Llomena - Ponga, alt. 995 m., Asturias, España)
2010 Nov. 12.54 UT: m1=6.3, Dia.=20; 10x50 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Nov. 12.23 UT: m1=5.8, Dia.=5', DC=3; 25cm L f/4 (45x); Gonzalo Vargas B (Cochabamba, Bolivia) [Método Bobrovnikoff; Estrellas ref.: GSC 4821 2975 (5.60) y GSC 4820 2829 (6.25); Interferencia de luz lunar:no; Presencia de nubosidad:no; Polución lumínica:si; Altura sobre el horizonte:35grados; Visible a simple vista:no; Magnitud a simple vista:no; MALE a simple vista:5; MALE instrumental:12]
2010 Nov. 12.135 UT: m1=6.0, Dia.=25', DC=3/, 7x50B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 11.56 UT: m1=6.1, Dia.=20'; 10x50 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Nov. 11.29 UT: m1=6.7, Dia.=12', DC=3; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 08.64 UT: m1=6.2, Dia.=20’, DC=3/4; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, broad fan shaped, elongated to the North, central condensation not stellar but bright and gradual. Faint outer coma visible using averted vision. Comp Star= TYC 4822-3681-1; Method= S; Cat= TJ]
2010 Nov. 08.30 UT: m1=6.6, Dia.=10', DC=2; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 08.177 UT: m1=5.9, Dia.=30', DC=3; 8x2.5 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 08.167 UT: m1=6.0, Dia.=25', DC=4; 7x50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 07.30 UT: m1=6.0; 8x30 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Nov. 07.30 UT: m1=6.5, Dia.=10', DC=2; 20x60 B; Willian Souza (Sao Paulo, Brazil)
2010 Nov. 07.29 UT: m1=6.7, Dia.=8', DC=3; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 07.25 UT: m1=5.5, Dia.=9’, DC=2, Cola: No visible; 20cm SCT (32x); Alberto Anunziato (Oro Verde, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2010 Nov. 07.187 UT: m1=6.0, Dia.=20', DC=4/; 7x50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 05.29 UT: m1=6.8, Dia.=7', DC=3; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 04.28 UT: m1=6.7:, Dia.=8'; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 04.25 UT: m1=6.3, Dia.=15', DC=2; 20x60 B; Willian Souza (Sao Paulo, Brazil)
2010 Nov. 04.14 UT: m1=4.8, Dia.=45', DC=4; simple vista; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León,España) [En 20 cm SCT (77x): m2=11.8 (Tycho-2); ancha cola de polvo de 0.2º en PA 290º, embebida en la coma. Cielo muy claro de montaña]
2010 Nov. 03.28 UT: m1=6.3, Dia.=10', DC=3; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 03.23 TU m1=5.5, Dia.=14', DC=4; 25cm L f/4 (45x); Gonzalo Vargas B (Cochabamba, Bolivia) [Método Bobrovnikoff; Estrellas ref.: GSC 753 2754 (5.12) y GSC 7492 885 (5.75); Interferencia de luz lunar:no; Presencia de nubosidad:no; Polución lumínica:si; Altura sobre el horizonte:30grados; Visible a simple vista:no; Magnitud a simple vista:no; MALE a simple vista:5; MALE instrumental:12]
2010 Nov. 03.167 UT: m1=5.6, Dia.=30', DC=2/; 7x50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 02.70 UT: m1=5.6, Dia.=20’, DC=3; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma appears elongated to the East and West slightly. Not visible naked eye, central condensation gradually intensifies to centre. Comp Star= TYC 759-2861-1; Method= S; Cat= TJ]
2010 Nov. 02.31UT: m1=6.0, Dia.=20´, DC=4, Cola: no visible; 25cm L (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Nov. 02.28 UT: m1=6.0, Dia.=15', DC=1/; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 02.25 UT: m1=7.1, Dia.=12', DC=2; 7cm R (11x); Isbel González (Guayos, Cuba) [Método Beyer]
2010 Nov. 01.23 UT: m1=5.9, Dia.=12', DC=0; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 01.06 UT: m1=5.5, Dia.=20', DC=2; Naked eye; Vyacheslav Ivanov (observation obtain in 70 km from Antalya, Turkey)
2010 Oct. 31.19 UT: m1=5.9, Dia.=11', DC=0; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Oct. 31.17 UT: m1=5.7, Dia.=15', DC=4, 20x60 B; Willian Souza (Aguas de Lindoia, Brazil)
2010 Oct. 30.30 UT: m1=5.7; 8x30 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Oct. 30.29 UT: m1=6.0, Dia.=15', DC=2; 20x60 B; Willian Souza (Sao Paulo, Brazil)
2010 Out. 30.146 UT: m1=5.3, Dia.=25', DC=2/; 7X50 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Out. 29.125 UT: m1=5.4, Dia.=20', DC=2; 7X50 B; Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Oct. 27.29 UT: m1=6.3, Dia.=5', DC=4; 20x80 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2010 Oct. 26.29 UT: m1=6.1, Dia.=8', DC=3; 20x80 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2010 Oct. 24.30 UT: m1=6.5, Dia.=7', DC=4; 20x80 B; Alexandre Amorim (Florianopolis,Brazil) [moonlight]
2010 Out. 21.360 UT: m1=4.8, Dia.=40', DC=2; 8X25 B; Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico]
2010 Out. 21.354 UT: m1=4.9, Dia.=40', DC=3/; 7X50 B; Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico]
2010 Oct. 21.31 UT: m1=5.0, Dia.=30', DC=2; 7x50 B; Willian Souza (Sao Paulo, Brazil)
2010 Oct. 21.28 UT: m1=5.3; 8x30 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Oct. 20.19 UT: m1=4.7, Dia.=45', DC=4; monocular 4x30; Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m., León, España) [La proximidad a una estrella de mag. 5.5 (TK) no permitió una adecuada estimación de magnitud a simple vista. En 7x50B: coma de 30', DC=5. Cielo muy claro de montaña]
2010 Out. 19.353 UT: m1=6.5, Dia.=-', DC=-; 8X30 B; Jorge Fidel Cubiles (La Habana, Cuba)
2010 Out. 19.344 UT: m1=4.9, Dia.=40', DC=2; 8X25 B; Marco Goiato (Araçatuba, Brasil)
2010 Out. 19.333 UT: m1=5.0, Dia.=40', DC=3; 7X50 B; Marco Goiato (Araçatuba, Brasil)
2010 Oct. 18.72 UT: m1=5.9, Dia.=24'; 4x30 B; David A. J. Seargent (Cowra, NSW, Australia) [Somewhat enhanced with Swan Band filter. Small central condensation in 15x80 binoculars] Intermittently glimpsed with naked eye using averted vision.
2010 Oct. 18.10 UT: m1=4.6, Dia.=50', DC=3; simple vista; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 7x50B: coma de 35', DC=5. En 20 cm SCT (77x): ancha cola de polvo de 0.1º en PA 250º, embebida en la coma. Cielo muy claro de montaña]
2010 Oct. 16.92 UT: m1=4.8, Dia.=40', DC=4; 7x50 B; Toni Scarmato (Calabria, Italia) [I saw the comet with naked eye but because close to a star of 5.6 mag I used my 7x50 to make an estimation.]
2010 Oct. 15.00 UT: m1=4.7, Dia.=60', DC=2; simple vista; Juan José González (Aralla, alt. 1440 m., León, España) [En monocular 4x30: m1=4.8. En 7x50B: coma de 35', DC=4. Cielo muy claro de montaña]
2010 Out. 14.125 UT: m1=5.0, Dia.=40', DC=2, 8X25 B; Marco Goiato (Maceió, Brasil)
2010 Oct. 13.93 UT: m1=5.0, Dia.=50', DC=3/; monocular 4x30; Juan José González (Pandorado, alt. 1720 m., León, España) [Coma involucrada con dos estrellas de mag 6.8 (TK). En 20 cm SCT (77x): cola de polvo de 0.2º en AP 250º]
2010 Oct. 11.11 UT: m1=5.0, Dia.=30', DC=2; 10x50 B; Jorge Solano (Paseo Santaluz, San José Pinula, Guatemala) [Cielo mayormente despejado, no suficiente para captarlo a simple vista]
2010 Oct. 10.75 UT: m1=5.8, Dia.=23', DC=3; 20x80 B; Artyom Novichonok (Kondopoga, Russia)
2010 Oct. 10.195UT: m1=6.0, Dia.=18´, DC=4, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Oct. 08.84 UT: m1=6.3, Dia.=12', DC=4; 20x50 B; Alfons Diepvens (Balen Belgium)
2010 Oct. 08.78 UT: m1=6.0, Dia.=30', DC=3; 25 cm reflector (60x); Vyacheslav Ivanov (Peschanka, Russia)
2010 Oct. 07.89 UT: m1=6.3, Dia.=12', DC=4; 20x50 B; Alfons Diepvens (Balen Belgium)
2010 Oct. 07.89 UT: m1=5.1, Dia.=50', DC=2/; monocular 4x30; Juan José González (Les Bedules - Ponga, alt. 1080 m., Asturias, España) [En 7x50B: m1=6.0, Dia.=25'. Varias estrellas en la coma, siendo la más brillante KK Persei ( variable 6.6 - 7.9 ). Cielo muy claro de montaña]
2010 Oct. 07.87 UT: m1=5.8, Dia.=35', DC=5; 7x50 B; Toni Scarmato (Calabria, Italia) [Diffuse the outer side of the coma but with a clear central condensation. In 20x90 it is possible to detect the motion of the comet in a few minutes and the coma is clearly asimmetric. No tail visible]
2010 Oct. 07.80 UT: m1=6.1, Dia.=27', DC=3; 20x80 B; Artyom Novichonok (Konchezero, Russia)
2010 Oct. 07.74 UT: m1=8.6 ccd, Dia.=4.1', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Oct. 07.13 UT: m1=6.5, Dia.=16´, DC=3, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Oct. 06.84 UT: m1=6.6, Dia.=26', DC=2; 20x80 B; Artyom Novichonok (Konchezero, Russia)
2010 Out. 06.146 UT: m1=6.2:, Dia.=20', DC=2; 20X100 B; Marco Goiato (Araçatuba, Brasil) [altitude do cometa= 11º, poluição luminosa]
2010 Oct. 05.92 UT: m1=7.1, Dia.=25', DC=2; 7x50 B; Artyom Novichonok (Sopoha, Russia)
2010 Oct. 05.92 UT: m1=5.9, Dia.=35', DC=3, no cola; 11x80 B; Carlos Labordena (Castellón, España) [Aspecto ovalado]
2010 Oct. 05.17 UT: m1=6.0, Dia.=20', DC=1; 10x50 B; Jorge Solano (Paseo Santaluz, San José Pinula, Guatemala) [Cielo mayormente despejado pero con leve bruma]
2010 Oct. 04.83 UT: m1=5.3, Dia.=45', DC=2; simple vista; Juan José González (Pandorado, alt. 1190 m., León, España) [En monocular 4x30: m1=5.2. Observación realizada en mejores condiciones, desde una localidad de montaña más elevada, proporcionando un mucho mayor diámetro de coma y una m1 más brillante respecto a mi estimación previa de Oct. 2.86]
2010 Oct. 04.77 UT: m1=7.2, Dia.=21', DC=2; 7x50 B; Artyom Novichonok (Kondopoga, Russia)
2010 Oct. 02.93 UT: m1=7.0, Dia.=16', DC=2, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2010 Oct. 02.86 UT: m1=6.4, Dia.=25', DC=2; 4x30 monocular; Juan José González (Collado de Hoz, alt. 637 m., Cantabria, España) [En 7x50B: m1=6.6. En 25x100B: Varias estrellas de mag. 9 en la coma, siendo la más brillante 9.1 (TK). Cielo muy claro de montaña]
2010 Oct. 02.84 UT: m1=9.1 ccd, Dia.=3.6', DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 30.80 UT: m1=7.3, Dia.=25', DC 4; 7x50 B; Toni Scarmato (Calabria, Italia) [Coma very diffuse. Seem visible a central condensation well condensed estimed 8.5 mag.]
2010 Sep. 29.83 UT: m1=7.5, Dia.=20', DC 2; 7x50 B; Toni Scarmato (Calabria, Italia)
2010 Sep. 29.78 UT: m1=9.3 ccd, Dia.=3.4', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 28.83 UT: m1=7.2, Dia.=18', DC=2; 10x50 B; Juan José González (Puerto de la Magdalena, alt. 1441 m., León, España) [En 25x100B: m1=7.6. Cielo muy claro de montaña]
2010 Sep. 28.51 UT: m1=9.3, Dia.=7', DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Comet was 4 degrees above horizon at the time of observation, dark sky, clear horizon, coma diffuse, no tail. Not corrected for atmospheric extinction. Comp Star= TYC 3653-742-1; Method= S; Cat= TJ]
2010 Sep. 27.82 UT: m1=7.3, Dia.=13', DC=2; 10x50 B; Juan José González (Grandota, alt. 470 m., Asturias, España) [En 25x100B: m1=7.7. Localidad rural, cielo muy claro]
2010 Sep. 26.80 UT: m1=8.2, Dia.=8', DC=3, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2010 Sep. 20.16 UT: m1=8.1, Dia.=15', DC=2/; 10x50 B; Juan José González (Aralla, alt. 1440 m., León, España) [En 25x100B: m1=8.4]
2010 Sep. 19.10 UT: m1=12.4 ccd, Dia.=1.0', DC=7/; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)
2010 Sep. 15.87 UT: m1=8.3, Dia.=12', DC=3; 7x50 B; Toni Scarmato (Calabria, Italia)
2010 Sep. 15.00 UT: m1=8.5, Dia.=15', DC=2; 10x50 B; Juan José González (Aralla, alt. 1440 m., León, España) [En 25x100B: m1=8.8]
2010 Sep. 14.95 UT: m1=10.0, Dia.=8', DC=3; 15cm L; Ilya Los' (Saratov, Russia)
2010 Sep. 14.93 UT: m1=12.5 ccd, Dia.=0.92', DC=7/, tail 1.2' in PA 193 deg.; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)
2010 Sep. 14.92 UT: m1=10.1: ccd, Dia.=7.3'; 11cm L +CCD; Artyom Novichonok (Kondopoga, Russia) & Evgeny Plyaschenko (Petropavlovsk, Kazakhstan )
2010 Sep. 14.81 UT: m1=9.7, Dia.=6', DC=d3; 25.4cm L; Vyacheslav Ivanov (Peschanka, Russia)
2010 Sep. 13.82 UT: m1=10.0, Dia.=5', DC=d3; 20.0cm L; Vyacheslav Ivanov (Peschanka, Russia)
2010 Sep. 13.78 UT: m1=11.0 ccd, Dia.=3.0', DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia) [I saw the comet visually in my 20x90 binoculars, diffuse with a coma large about 8', no central condensation visible, no tail visible, magnitude estimation no precise 9.0]
2010 Set. 13.125 UT: m1=9.7, Dia.=4', DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Set. 12.167 UT: m1=9.7, Dia.=4', DC=3, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil);
2010 Sep. 11.95 UT: m1=9.8, Dia.=4', DC=3; 15cm L; Ilya Los' (Saratov, Russia)
2010 Sep. 10.97 UT: m1= 9.1, Dia.=4', DC=3, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2010 Sep. 10.82 UT: m1=10.0, Dia.=4', DC=d3; 25.4cm L; Vyacheslav Ivanov (Saratov, Russia)
2010 Sep. 10.34 UT: m1=9.5: ccd, Dia.=6.9'; 9cm L +CCD; Artyom Novichonok (Kondopoga, Russia) & Oleg Sankin (Moscow, Russia)
2010 Set. 10.125 UT: m1=10.3:, Dia.=2', DC=4, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Sep. 10.05 UT: m1=9.3, Dia.=8', DC=3; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20 cm SCT (77x): m1=9.5]
2010 Sep. 09.92 UT: m1=9.9, Dia.=6.2', DC=3; 13cm L; Artyom Novichonok ( konchezero, Russia )
2010 Sep. 09.10 UT: m1=10.0, Dia.=0'.5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 08.94 UT: m1=10.0, Dia.=5.9', DC=3; 13 cm reflector; Artyom Novichonok ( Konchezero, Russia )
2010 Sep. 07.55 UT: m1=10.8, Dia.= 11’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 3224-1968-1; Method= S; Cat= TJ]
2010 Sep. 06.76 UT: m1=11.1 ccd, Dia.=3.0', DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 06.50 UT: m1=10.2, Dia.= 7.7’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, slightly concentrated condensation using averted vision, 8 degrees above local horizon. Comp Star= TYC 3219-1183-1; Method= S; Cat= TJ]
2010 Sep. 04.86 UT: m1=9.8, Dia.=6', DC=3; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20 cm SCT (77x): m1=10.1]
2010 Sep. 04.77 UT: m1=11.2 ccd, Dia.=3.0', DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 03.85 UT: m1= 10.4, Dia.=4', DC=4, no cola; 23.5cm SCT(67x); Carlos Labordena (Castellón, España)
2010 Sep. 03.04 UT: m1=10.5, Dia.=5.9', DC=5; 22cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Victor Voropaev (Moscow, Russia)
2010 Sep. 02.96 UT: m1=10.4, Dia.=2.8', DC=5; 22cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Victor Voropaev (Moscow, Russia)
2010 Sep. 01.79 UT: m1=10.8 ccd, Dia.=2.5', DC 7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 31.95 UT: m1=11.5, Dia.=2.3'; 22cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Victor Voropaev (Moscow, Russia)
2010 Aug. 30.92 UT: m1=11.3, Dia.=2.9'; 11.4cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Evgeny Plyaschenko (Petropavlovsk, Kazakhstan)
2010 Aug. 29.82 UT: m1=11.6 ccd, Dia.=2.1', DC=7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 27.77 UT: m1=11.8 ccd, Dia.=2.1', DC 7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 26.79 UT: m1=12.8 ccd, Dia.=1.5', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia) [Haze and moonlight]
2010 Aug. 25.80 UT: m1=12.3 ccd, Dia.=1.5', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 22.83 UT: m1=12.8 ccd, Dia.=0.8', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 20.94 UT: m1=13.2, Dia.=0.8', DC=5; 25.4cm L (203x); Artyom Novichonok (Sheltozero, Russia)
2010 Ago. 20.18 UT: m1=12.3, Dia.=1.3', DC=5/; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m., León, España)
2010 Aug. 18.88 UT: m1=13.3, Dia.=0.8', DC=3; 25.4cm L (203x); Alexander Smirnov (Sheltozero, Russia)
2010 Aug. 16.88 UT: m1=12.8, Dia.=1.2', DC=4; 61.5cm L (203x); Artyom Novichonok (Sheltozero, Russia)
2010 Aug. 15.90 UT: m1=13.0, Dia.=0.7', DC=5; 25.4cm L (203x); Artyom Novichonok (Sheltozero, Russia)
2010 Aug. 13.85 UT: m1=14.0 ccd, Dia.=0.8', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 11.90 UT: m1=14.1 ccd, Dia.=0.8', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 07.91 UT: m1=14.1 ccd, Dia=0.8', DC=5; 25cmL +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 07.57 UT: m1=13.4, Dia.=0.6', DC=6; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan) [See it again since 1998. This comet will be very bright this autumn. I was surprised that it is already bright and visible, because few visual observations have been recently. Well condensed, not tiny]
2010 Ago. 06.96 UT: m1=13.2, Dia.=0.6', DC=6; 20 cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 60 min. Estrellas de comparación de la secuencia Henden de Y Peg]
2010 Aug. 04.53 UT; m1=13.4, Dia.=0.7’, DC= 1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, visible only in periods of good seeing using averted vision. Comp Star= GSC-2223-1928; Method= S; Cat= HS]
2010 Aug. 01.90 UT: m1=14.3 ccd, Dia.=0.6', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 29.85 UT: m1=14.8 ccd, Dia.=0.6', DC=3; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 22.91 UT: m1=15.0 ccd, Dia.=0.4', DC=4; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 20.96 UT: m1=15.5 ccd, Dia.=0.4', DC=4; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 18.06 UT: m1=[14.5; 20 cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cometa no observado en la posición de efemérides. Cielo muy claro de montaña]
2010 Jul. 13.01 UT: m1=16.4 ccd, Dia.=0.2', DC=4; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)

94P/Russell
2010 Jun. 16.22 UT: m1=17.3 ccd, Dia.=0.2'; 35.5 cm reflector + CCD; Artyom Novichonok & Dimitry Chestnov ( remotely Mayhill, USA )
2010 Jun. 13.23 UT: m1=18.2 ccd, Dia.=0.25', DC=8/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 May. 04.26 UT: m1=16.6 ccd, Dia.=0.3', Tail=0.3'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 06.41 UT: m1=16.8 ccd, Dia.=0.25', DC=8; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran', Belarus)

88P/Howell
2010 Feb. 11.79 UT: m1=12.1, Dia.=90", DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Feb. 02.79 UT: m1=12.0, Dia.=1.5', DC=4; 20cm SCT (133x); Juan José González (Camposagrado, alt. 1135 m, León, España) [Luz zodiacal light. Altura sobre el horizonte: 15º]
2009 Dez. 20.969 UT: m1=9.7:, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Dez. 18.969 UT: m1=9.6, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Dez. 17.969 UT: m1=9.6, Dia.=5', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Dic. 11.75 UT: m1=9.1, Dia.=4', DC=4, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Dec. 04.78 UT: m1=8.6, Dia.=6', DC=4/; 20cm SCT (77x); Juan José González (Camposagrado, alt. 1110 m, León, España) [Altura: 14º]
2009 Dez. 02.958 UT: m1=9.7:, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar e nuvens]
2009 Nov. 18.78 UT: m1=8.4, Dia.=7', DC=3/; 20cm SCT (77x); Juan José González (Pico Cueto - Busfrío - Cudillero, alt. 770 m, Asturias, España) [Amplia y elongada coma con débil región exterior.  Altura sobre el horizonte: 12º]
2009 Nov. 13.979 UT: m1=9.4, Dia.=4', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 12.979 UT: m1=9.4, Dia.=3', DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 05.94 UT: m1=9.0, Dia.=5, DC=5/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 04.979 UT: m1=9.1, Dia.=4', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Nov. 04.93 UT: m1=9.0, Dia.=5, DC=5/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 03.958 UT: m1=9.2, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 03.94 UT: m1=8.9, Dia.=5, DC=6; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 02.92 UT: m1=8.7, Dia.=5, DC=6; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 01.93 UT: m1=9.0, Dia.=6, DC=5/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 29.937 UT: m1=8.8, Dia.=4', DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Oct. 29.92 UT: m1=8.6, Dia.=6, DC=4/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 28.92 UT: m1=8.5, Dia.=6, DC=5; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 24.92 UT: m1=8.4, Dia.=7, DC=5; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 23.937 UT: m1=8.6, Dia.=5', DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [IL]
2009 Oct. 21.93 UT: m1=8.4, Dia.=6, DC=4/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 20.979 UT: m1=8.4, Dia.=7', DC=4/; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Out. 18.937 UT: m1=8.6, Dia.=5', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [ Nuvens ]
2009 Oct. 16.92 UT: m1=8.6, Dia.=5, DC=4/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 15.958 UT: m1=8.6, Dia.=6', DC=4/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2009 Oct. 15.92 UT: m1=8.6, Dia.=5, DC=4/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 14.937 UT: m1=8.5, Dia.=7', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Out. 13.937 UT: m1=8.5, Dia.=7', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 13.93 UT: m1=8.6, Dia.=3', DC=4; 7.6cm L (75x); Alexandre Amorim (Florianopolis, Brasil)
2009 Oct. 13.92 UT: m1=8.5, Dia.=5, DC=4/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 12.92 UT: m1=8.5, Dia.=5, DC=4/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 11.937 UT: m1=8.5, Dia.=7', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 11.79 UT: m1=8.6, Dia.=4', DC=4; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada. Crepúsculo astronómico. Altura: 10º]
2009 Out. 10.958 UT: m1=8.6, Dia.=7', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 10.92 UT: m1=8.6, Dia.=5, DC=5; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 09.979 UT: m1=8.6, Dia.=8', DC=4/; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 09.92 UT: m1=8.6, Dia.=5, DC=5/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 06.937 UT: m1=8.6, Dia.=8', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 05.92 UT: m1=8.7, Dia.=6, DC=5/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 04.93 UT: m1=8.7, Dia.=5, DC=5/; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 03.927 UT: m1=8.8, Dia.=4', DC=4 ; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar; estável]
2009 Sep. 30.92 UT: m1=8.9, Dia.=3, DC=5; 25x100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Set. 27.948 UT: m1=8.7, Dia.=6', DC=3/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 25.93 UT: m1=9.0, Dia.=2', DC=5; 7.6cm L (75x); Alexandre Amorim (Florianopolis, Brasil) [moonlight]
2009 Set. 25.937 UT: m1=8.8, Dia.=6', DC=3/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Set. 24.937 UT: m1=8.8, Dia.=6', DC=3/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 22.83 UT: m1=8.6, Dia.=6', DC=3, Cola: 0.1º en AP 110º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Fin del crepúsculo astronómico. Altura: 7º]
2009 Sep. 20.41 UT: m1=8.9, Dia.=3.1', DC=4; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2009 Sep. 22.098 UT: m1=11.5, Dia.=4.0', DC=2; 15cm SCT (37x); Salvador Aguirre (Hillo, Sonora, México)
2009 Sep. 18.40 UT: m1=9.0, Dia.=5'; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia) [Similar or slightly clearer in Swan band filter]
2009 Set. 17.937 UT: m1=9.2, Dia.=5', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2009 Set. 15.937 UT: m1=9.2, Dia.=5', DC=4/; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2009 Sep. 14.83 UT: m1=9.2, Dia.=5', DC=4; 20 cm SCT (77x); (Alto del Trichero - Soto y Amío, alt. 1190 m, León, España) [Coma elongada en AP 110º. Fin del crepúsculo astronómico. Altura sobre el horizonte: 8º]
2009 Set. 13.937 UT: m1=9.3, Dia.=4', DC=4; 20X100B; Marco Goiato (Araçatuba, Brasil)
2009 Set. 12.948 UT: m1=9.4, Dia.=4', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Set. 11.937 UT: m1=9.3, Dia.=5', DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Ago. 21.85 UT: m1=10.2, Dia.=3', DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Ago. 22.937 UT: m1=10.4, Dia.=3', DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Aug. 16.39 UT: m1=9.9, Dia.=3.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, background star in coma. Comp Star= TYC 5560-4-1; Method= S; Cat= TJ]
2009 Aug. 15.42 UT: m1=10.2, Dia.=5’, DC=4; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5559-1052-1; Method= S; Cat= TJ]
2009 Aug. 14.40 UT: m1=9.4, Dia.=9.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and diffuse, interference by zodiacal light. Comp Star= TYC 5556-699-1; Method= S; Cat= TJ]
2009 Aug. 11.40 UT: m1=8.9, Dia.=6'; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)

81P/Wild 2
2010 Sep. 10.43 UT: m1=13.7, Dia.=1.1'; 18 cm reflector + CCD; Artyom Novichonok & Dimitry Chestnov (remotely Moorook, S. Australia)
2010 Ago. 07.86 UT: m1=12.1, Dia.=1', DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2010 Ago. 06.90 UT: m1=12.2, Dia.=1.2', DC=3; 20 cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Aug. 04.36 UT: m1= 12.7, Dia= 5.1’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [no tail, coma small and diffuse with gradual brightening to centre. Comp Star= GSC-5592-0864; Method= S; Cat= HS]
2010 Jul. 31.958 UT: m1=12.6, Dia.=1.5', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 10.56 UT: m1=12.1, Dia.=2.4'; 15 cm refractor + CCD; Artyom Novichonok & Dimitry Chestnov ( remotely Moorook, S. Australia )
2010 Jul. 04.98 UT: m1=11.8, Dia.=2.5', DC=3; 20 cm SCT (160x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Jul. 14.94 UT: m1=[12.0; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 11.948 UT: m1=12.2, Dia.=1.5', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 09.948 UT: m1=12.0, Dia.=2', DC=3/ 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 01.958 UT: m1=11.7, Dia.=2', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 17.84 UT: m1=11.6 ccd, Dia.=1.8', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jun. 16.021 UT: m1=11.4, Dia.=2.5', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 15.52 UT: m1=13.1 ccd, Dia.=4.5', DC=6/; 15cm R f/7 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 Jun. 15.19 UT: m1=13.2 ccd, Dia.=3.0', DC=7/, tail:18' in PA:287 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 Jun. 14.19 UT: m1=13.1 ccd, Dia.=3.2', DC=7/, tail:16' in PA:286 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 Jun. 12.000 UT: m1=11.0, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 11.90 UT: m1=10.9, Dia.=3', DC=3, Cola= 5'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Jun. 09.062 UT: m1=10.8, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 07.83 UT: m1=11.2 ccd, Dia.=2.1', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jun. 06.98 UT: m1=11.0:;18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 06.01 UT: m1=11.0, Dia.=1', DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 05.958 UT: m1=10.5, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 03.98 UT: m1=10.1, Dia.=4', DC=3/; 20cm SCT (77x); Juan José González (Alto del Trichero - Soto y Amío, alt. 1190 m., León, España)
2010 Jun. 01.000 UT: m1=10.5, Dia.=4', DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Maio 29.937 UT: m1=10.6, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 22.07 UT: m1=9.7, Dia.=4.5', DC=4/, Tail: 0.1 deg. in PA 300 deg.; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Maio 21.146 UT: m1=10.4, Dia.=3', DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 20.00 UT: m1=10.2:; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 May. 19.57 UT: m1=9.6; Dia.=6'; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 May. 18.52 UT: m1=9.7; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Maio 17.083 UT: m1=10.2, Dia.=3', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 17.00 UT: m1=9.6, Dia.=4.5', DC=4/, Cola: 0.2º en AP 300º; 20cm SCT (77x); Juan José González (Cueto Rosales - Riello, alt. 1420 m., León, España)
2010 May. 16.17 UT: m1=10.0, Dia.=1', DC=3; 18cm L (60x); Alexandre Amorim (Florianopolis, Brazil)
2010 May. 15.91 UT: m1=9.6, Dia.=4', DC=4, Cola= 5'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 May. 15.51 UT: m1=9.7; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia) [Approximate estimate as comet very near star]
2010 Maio 14.187 UT: m1=10.0, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 13.43 UT: m1=9.9, Dia.=7.7’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 9’ in length, broad and faint. Coma extension to NE, 4.5’ in length although very faint, visible with averted vision, central condensation equivalent to mag 14 star. Comp Star= TYC 4981-124-1; Method= M; Cat= TJ]
2010 Maio 13.146 UT: m1=10.0, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [nebulosidade fina]
2010 May. 13.04 UT: m1=9.7, Dia.=2', DC=4; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 May. 12.51 UT: m1=9.6, Dia.=3'; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 May. 11.43 UT: m1=9.9, Dia.=7.7’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 13’ in length, coma elongated to NE, background star in coma. Comp Star= TYC 4978-124-1; Method= M; Cat= TJ]
2010 May. 10.42 UT: m1=9.9, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 11’ in length, broad, slightly elongated to NE. Comp Star= TYC 4978-737-1; Method= M; Cat= TJ]
2010 May. 09.96 UT: m1=9.7, Dia.=2', DC=4; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 May. 09.89 UT: m1=10.2 ccd, Dia.=1.7', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 May. 09.49 UT: m1=9.9, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 13’ in length, slight elongation to NE. Comp Star= TYC 4978-737-1; Method= M; Cat= TJ]
2010 Maio 08.167 UT: m1=9.9, Dia.=5', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 07.55 UT: m1=9.6; 25x100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 May. 07.50 UT: m1=9.6, Dia.=5.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 15.5’ in length, broad, coma elongated to NE. Comp Star= TYC 4978-851-1; Method= M; Cat= TJ]
2010 May. 06.98 UT: m1=9.6, Dia.=3', DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 May. 06.43 UT: m1=9.9, Dia.=4.8’, DC=5/6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 11’ in length, background star in coma, coma elongated to NE. Comp Star= TYC 4978-737-1; Method= M; Cat= TJ]
2010 May. 06.183 UT: m1=10.0, Dia.=3´, DC=4/5, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 May. 05.96 UT: m1=9.4, Dia.=5', DC=5, Cola: 0.2º en AP 300º; 20cm SCT (77x); Juan Jose Gonzalez (Pandorado, alt. 1190 m, Leon, España)
2010 May. 05.41 UT: m1=10.2, Dia.=5.1’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the West, and slightly elongated to NE (at x83), tail to West, broad and faint, 13’ in length. Comp Star= TYC 4978-1085-1; Method= M; Cat= TJ]
2010 May. 03.41 UT: m1=9.6, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 15’ in length, and broad. Comp Star= TYC 4978-851-1; Method= M; Cat= TJ]
2010 Mai. 03.021 UT: m1=9.8, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 02.50 UT: m1=9.9, Dia.=6', DC=6; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2010 May. 02.36 UT: m1=9.6, Dia.=5.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, coma elongated to the West. Comp Star= TYC 4978-644-1; Method= S; Cat= TJ]
2010 May. 01.97 UT: m1=9.6, Dia.=2', DC=3; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 Mai. 01.968 UT: m1=9.8, Dia.=4.5', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 May. 01.51 UT: m1=9.9, Dia.=5.5', DC=7; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2010 Apr. 30.95 UT: m1=10.9 ccd, Dia.=0.9', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Abr. 30.937 UT: m1=9.8, Dia.=4', DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 30.92 UT: m1=9.7:; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil) [nebulosity]
2010 Apr. 23.64 UT: m1=8.7, Dia.=5.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 4’ in length. Comp Star= TYC 4981-29-1; Method= S; Cat= TJ]
2010 Abr. 22.042 UT: m1=9.5, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 22.031 UT: m1=9.7, Dia.=5', DC=5; Cola=10 arcmin en AP=260 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 22.57 UT: m1=8.7, Dia.=5.9’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, short and faint in moonlight, approximately 4’ long, very small but discernable central condensation. Comp Star= TYC 4982-774-1; Method= S; Cat= TJ]
2010 Apr. 21.58 UT: m1=9.3; 25x100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Apr. 21.57 UT: m1=9.3, Dia.=2.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma bright, stellar central condensation, tail to the West 6’ long, tail narrower than previous observations. Comp Star= TYC 4978-750-1; Method= M; Cat= TJ]
2010 Apr. 20.56 UT: m1=9.4, Dia.=3; 25x100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Apr. 20.41 UT: m1=9.5, Dia.=4.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 6.5’in long, moonlight affected. Comp Star= TYC 4979-721-1; Method= S; Cat= TJ]
2010 Abr. 19.104 UT: m1=9.5, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 19.104 UT: m1=9.7, Dia.=5', DC=5; Cola=7 arcmin en AP=250 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 18.38 UT: m1=8.7, Dia.=5', DC=4; 11x70 B; Alexandre Amorim (San Rafael, Argentina)
2010 Abr. 18.187 UT: m1=9.6, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 18.177 UT: m1=9.7, Dia.=4.5', DC=5; Cola=7 arcmin en AP=260 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 17.17 UT: m1=8.4, Dia.=7', DC=5; 11x70 B; Alexandre Amorim (San Rafael, Argentina) [elongated coma with 2'x4' in PA 270 using 28-cm SCT f/10 87x]
2010 Abr. 17.09 UT: m1=9.3, Dia.=5', DC=4/, Cola:0.3º en AP:300º; 20cm SCT (77x); Juan José González (La Cruz - Lieres, alt. 520 m, Asturias, España)
2010 Apr. 16.17 UT: m1=8.7, Dia.=5', DC=5; 11x70 B; Alexandre Amorim (San Rafael,Argentina)
2010 Abr. 16.083 UT: m1=9.6, Dia.=5', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 15.46 UT: m1=9.5, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 25’ total length, with brighter fan 12’extending West from coma before fading out to 25’, coma also elongated slightly to NE (anti-tail) Comp Star= TYC 4982-1012-1; Method= M; Cat= TJ]
2010 Abr. 14.094 UT: m1=9.5, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 14.00 UT: m1=8.9, Dia.=4', DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 13.75 UT: m1=9.2, Dia.=6.4’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 25’ long, faint, coma edges diffuse with bright small central condensation. Comp Star= TYC 4982-704-1; Method= S; Cat= TJ]
2010 Apr. 13.06 UT: m1=9.0, Dia.=3', DC=6; 7.6cm L (75x); Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 12.94 UT: m1=9.1, Dia.=3.4', DC=4; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Apr. 12.54 UT: m1=9.3, Dia.=4, DC=5, Tail=0.5 degrees, PA=290; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 12.114 UT: m1=9.5, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 12.104 UT: m1=9.6, Dia.=5', DC=5, Cola=8 arcmin en AP=270 grados; 22cm L f:6.5 (36x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 12.05 UT: m1=9.1, Dia.=3', DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 11.51 UT: m1=9.3, Dia.=3, DC=5, Tail=0.5 degrees, PA=290; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 11.18 UT: m1=10.0, Dia.=3´, DC=5´, Cola: no visible; 15cm SCT (37x), Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Abr. 11.01 UT: m1=9.6, Dia.=4', DC=5, Cola=15'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Abr. 11.01 UT: m1=9.3, Dia.=5', DC=4, Cola=15'; 11x80 B; Carlos Labordena (Castellón, España)
2010 Apr. 10.71 UT: m1=9.5, Dia.=4’, DC=6; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the NW, moonlight affected visibility of tail which made it not visible. Comp Star= TYC 4982-1012-1; Method= S; Cat= TJ]
2010 Abr. 10.218 UT: m1=9.5, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 10.208 UT: m1=9.7, Dia.=4.5', DC=5; Cola=7 arcmin en AP=260 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 10.15 UT: m1=9.2, Dia.=6', DC=5/, Cola: 0.4º en AP 300º; 25x100 B; Juan José González (Cueto Rosales - Riello, alt. 1420 m., León, España) [En 20 cm SCT (77x): m1=9.5]
2010 Apr. 08.50 UT: m1=8.9, Dia.=4, Tail=0.3 degrees, PA=305; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 08.083 UT: m1=9.6, Dia.=5', DC=5, Cola=4 arcmin en AP=280 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 07.125 UT: m1=9.5, Dia.=6', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 06.083 UT: m1=9.5, Dia.=5', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Apr. 05.46 UT: m1=9.1, Dia.=4, Tail=in 25.4L at 71X, broad tail of 0.7 degrees in PA=274; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 05.02 UT: m1=9.4, Dia.=4.5', DC=5, Cola: 0.5º en AP 290º; 20cm SCT (77x); Juan José González (Alto del Trichero - Soto y Amío, alt. 1190 m., León, España)
2010 Abr. 05.187 UT: m1=9.5, Dia.=5', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Abr. 04.041 UT: m1=9.6, Dia.=4', DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 03.99 UT: m1=9.8 ccd, Dia.=3', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Apr. 03.92 UT: m1=9.2, Dia.=3.8', DC=5; 13 cm reflector; Artyom Novichonok (Spasskaya Guba, Russia)
2010 Apr. 03.01 UT: m1=9.0, Dia.=3', DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brasil) [moonlight]
2010 Mar. 25.69 UT: m1=8.9, Dia.=3’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 38.5’ in length using averted vision. Comp Star= TYC 4982-1269-1; Method= S; Cat= TJ]
2010 Mar. 23.70 UT: m1=9.6, Dia.=2.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 19’ in length, faint. Thin local fog making obs difficult. Comp Star= TYC 4982-1103-1; Method= S; Cat= TJ]
2010 Mar. 20.292 UT: m1=9.2, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 19.95 UT: m1=9.8 ccd, Dia.=2.1', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 19.51 UT: m1=9.3, Dia.=5.4’, DC=5/6; 20cm T, f:6 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West (PA 270), 38’ in length using averted vision. Comp Star= TYC 4982-184-1; Method= S; Cat= TJ]
2010 Mar. 19.146 UT: m1=9.2, Dia.=6', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 18.69 UT: m1=9.5, Dia.=5.3’, DC=5; 25cm L, f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Broad tail in PA 270, 19’ in length using averted vision, 7’ visible direct, inner coma slightly elongated WNW to ESE. Comp Star= TYC 4892-238-1; Method= S; Cat= TJ]
2010 Mar. 18.05 UT: m1=9.2, Dia.=5', DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brasil) [light pollution]
2010 Mar. 17.96 UT: m1=9.6 ccd, Dia.=2.8', DC=7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 17.95 UT: m1=9.5, Dia.=5.4', DC=5; 13 cm reflector; Artyom Novichonok (Vikshitsa fields, Russia)
2010 Mar. 17.125 UT: m1=9.2, Dia.=6', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Mar. 16.70 UT: m1=9.4, Dia.= 5.1’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 25’ long using averted vision, coma diffuse with small stellar central condensation. Comp Star= TYC 4891-1318-1; Method= S; Cat= TJ]
2010 Mar. 15.14 UT: m1=9.5, Dia.=4.5', DC=5/, Cola: 0.3º en AP 290º; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m., León, España)
2010 Mar. 14.125 UT: m1=9.2, Dia.=6', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 14.01 UT: m1=9.7, Dia.=4', DC=6, Cola=6'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Mar. 13.312 UT: m1=9.2, Dia.=6', DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 11.146 UT: m1=9.4, Dia.=4', DC=5; 22cm L F:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [muito próximo a estrela com m1: 10.23]
2010 Mar. 10.11 UT: m1=9.5, Dia.=4.5', DC=5/, Cola:0.2º en AP:290º; 20cm SCT (77x); Juan José González (Alto del Trichero - Soto y Amío, alt. 1190 m., León, España)
2010 Mar. 10.02 UT: m1=9.5, Dia.=4.5', DC=5; 13 cm reflector; Artyom Novichonok (Vikshitsa fields, Russia)
2010 Mar. 09.51 UT: m1=9.9, Dia.=5.5’, DC= 6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to NW approx; 9’ in length, broad and faint. Comp Star= TYC 5554-564-1; Method= M; Cat= TJ]
2010 Mar. 09.166 UT: m1=9.4, Dia.=5', DC=4/; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 08.50 UT: m1=9.6, Dia.=5.5’, DC= 6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to NW, faint, 6.5’ in length. Comp Star= TYC 4891-894-1; Method= M; Cat= TJ]
2010 Mar. 08.12 UT: m1=9.3, Dia.=4', DC=5; 18cm L (45x); Alexandre Amorim (Florianopolis, Brasil)
2010 Mar. 07.146 UT: m1=9.7, Dia.=3', DC=5/; 22cm L F:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 23.58 UT: m1=9.5, Tail:0.2 deg. in PA:290 deg.; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2010 Fev. 23.187 UT: m1=9.7, Dia.=3', DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Poluição atmosférica]
2010 Feb. 21.54 UT: m1=9.7, Dia.=4; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Fev. 21.250 UT: m1=9.7, Dia.=3', DC=5; 20X100B; Marco Goiato (Araçatuba, Brasil)
2010 Feb. 20.37 UT: m1=11.4 ccd, Dia.=3.2', DC= -, Tail:14' in PA:289 deg.; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 20.18 UT: m1=9.6, Dia.=3.5', DC=5/, Cola: 0.2º en AP 300º; 20cm SCT (77x); Juan José González (Armada - Lena, alt. 700 m, Asturias, España)
2010 Feb. 19.62 UT: m1=9.6, Dia.=3', DC=6; 20cm L (57x); Michael Mattiazzo (Castlemaine, Victoria) [First observation. Bright starlike nucleus with a hint of tail in PA 290]
2010 Feb. 17.93 UT: m1=10.5, Dia.=3', DC=3; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 16.97 UT: m1=10.3, Dia.=3.4', DC=3; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 12.69 UT: m1=10.3; Dia.=3’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to NE, tail 19’ long in PA 270. Comp Star= TYC 4972-1332-1; Method= S; Cat= TJ
2010 Feb. 11.70 UT: m1=10.0; Dia.=3’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail visible, 19’ in length, PA 293 degrees, coma elongated to NE. Comp Star= TYC 4972-685-1; Method= S; Cat= TJ
2010 Feb. 10.59 UT: m1=10.2; Dia.=2’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail visible, 15’ in length in PA 293 degrees. Comp Star= TYC 4972-393-1; Method= S; Cat= TJ
2010 Feb. 10.15 UT: m1=9.6, Dia.=3', DC=5, Cola= 5'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Feb. 10.07 UT: m1=9.7, Dia.=3', DC=5/, Tail:0.2 deg. in PA 290 deg.; 20cm SCT (77x); Juan José González (Caldas de Luna, alt. 1120 m, León, España)
2010 Fev. 07.281 UT: m1=10.1, Dia.=3', DC=6; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Fev. 06.208 UT: m1=10.0:, Dia.=2', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar e nuvens]
2010 Jan. 22.69 UT: m1=10.0, Dia.=4.8’, DC= 4/5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 13’ in length, coma extension to the North, central condensation bright. Comp Star= TYC 4953-774-1; Method= S; Cat= TJ]
2010 Ene. 13.09 UT: m1=9.7, Dia.=3.5', DC=3/, Cola: 0.1º en AP 290º; 20cm SCT (77x); Juan José González (Grandota - Oviedo, alt. 430 m, España)
2009 Dec. 26.26 UT: m1=11.6, Dia.=1', DC=5; 20cm R F9; Alfons Diepvens (Balen, Belgium)
2009 Dez. 19.281 UT: m1=11.3, Dia.=2', DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Dic. 12.16 UT: m1=10.3, Dia.=4', DC=3; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada]
2009 Dic. 11.17 UT: m1=9.8, Dia.=3', DC=2, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Nov. 24.17 UT: m1=10.5, Dia.=4.5', DC=3; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 18.14 UT: m1=10.7, Dia.=3.5', DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada]
2009 Nov. 14.302 UT: m1=12.1, Dia.=0.8', DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 09.48 UT: m1=11.0, Dia.=4´, DC=3, Cola: no; 20cm SCT (50x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2009 Oct. 31.83 UT: m1=12.4 ccd, Dia.=0.5', Tail=1.2'; 18cm reflector + CCD; Artyom Novichonok (remotely Pingelly, Australia)
2009 Oct. 26.20 UT: m1=11.2, Dia.=4', DC=2/, Cola: 0.2º en AP 290º; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Luz zodiacal]
2009 Oct. 17.11 UT: m1=12.0, Dia.=1.5', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2009 Oct. 16.18 UT: m1=11.8, Dia.=2', DC=3; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 29.19 UT: m1=12.2, Dia.=2', DC=3; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 23.16 UT: m1=12.3, Dia.=2', DC=3; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 20.80 UT: m1=13.7, Dia.=0.4', DC=6; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)

78P/Gehrels 2
2012 Ene. 10.79 UT: m1=10.1, Dia.=5', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., Leon, España) [Ligera interferencia de la luz lunar]
2011 Ene. 08.75 UT: m1=11.1, Dia.=3', DC=2, no cola; 23.5cm SCT (137x); Carlos Labordena (Castellón, España)
2012 Jan. 01.968 UT: m1=10.8, Dia.=1.5', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Dic. 22.80 UT: m1=10.5, Dia.=5', DC=3/; 20cm SCT (77x); Juan José González (Collada del Fresno - Sierra del Aramo, 1221 m, Asturias, España ).
2011 Dec. 20.97 UT: m1=11.0, Dia.=5'; 18cm L (72x); Alexandre Amorim(Florianopolis,Brazil)
2011 Dec. 19.98 UT: m1=11.0, Dia.=5'; 18cm L (72x); Alexandre Amorim(Florianopolis,Brazil)
2011 Dec. 14.44 UT: m1=11.7, Dia.=3': 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2011 Dec. 13.44 UT: m1=12.1, Dia.=1.8', DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, close to brightish stars. Comp star= ASAS-3 000645+0026.0 ; Method= S; Cat= AU]
2011 Nov. 29.09 UT: m1=11.0, Dia.=3´, DC=3, Tail: no visible; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 28.00 UT: m1=10.6, Dia.=3', DC=3; 22cm L f:6.5 (120x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 26.76 UT: m1=9.8, Dia.=6', DC=3; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Nov. 24.79 UT: m1=10.9, Dia.=3', DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Nov. 24.41 UT: m1=10.9, Dia.=2.0', DC=6; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 23.958 UT: m1=10.8, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 18.48 UT: m1=11.4, Dia.=3´: 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2011 Nov. 17.82 UT: m1=9.8, Dia.=5', DC=3; 20cm SCT (77x); Juan José González (Angliru - Sierra del Aramo, alt. 1540 m., Asturias, España)
2011 Nov. 16.00 UT: m1=11.0; 27cm reflector ; José G. de S. Aguiar (Campinas, Brazil)
2011 Nov. 15.47 UT: m1=11.6, Dia.=3´, DC=4; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Comet faintly visible in 25x100 binocular]
2011 Nov. 14.00 UT: m1=11.0; 27cm reflector ; José G. de S. Aguiar (Campinas, Brazil)
2011 Nov. 01.104 UT: m1=10.6, Dia.=3', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 01.08 UT: m1=11.0, Dia.=3´, DC=3, Tail: no visible; 15cm Reflector (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Oct. 30.29 UT: m1=11.5, Dia.=2’, DC=1, Cola: no; 25cm SCT (32x); Alberto Anunziato (Oro Verde, Entre Rios, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2011 Oct. 29.97 UT: m1=10.3, Dia.=6', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Oct. 27.99 UT: m1=11.0:, DC= 6; 18cm L (57x); Alexandre Amorim (Florianopolis,Brazil)
2011 Out. 27.125 UT: m1=10.8, Dia.=3', DC=4, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Oct. 25.99 UT: m1=11.5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [averted vision]
2011 Oct. 25.85 UT: m1=10.9, Dia.=4', DC=4, no cola; 20cm SCT (80x); Carlos Labordena (Castellón, España)
2011 Oct. 22.94 UT: m1=11.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Oct. 21.98 UT: m1=11.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [averted vision]
2011 Oct. 20.96 UT: m1=10.5, Dia.=5', DC=4; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Oct. 19.48 UT: m1=12.0; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2011 Oct. 16.43 UT: m1=12.1, Dia.=2´; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Comet also glimpsed in 25x100 binocular telescope]
2011 Oct. 15.81 UT: m1=10.3, Dia.=5', DC=3/; 20cm SCT (77x); Juan José González (Aralla, alt. 1360 m., León, España)
2011 Oct. 07.72 UT: m1=11.5, Dia.=1.8', DC=5; 40cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 01.08 UT: m1=11.0, Dia.=3.5', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrella de magnitud 12.9 (GSC) en la coma]
2011 Set. 28.125 UT: m1=11.0, Dia.=2.5', DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Sep. 24.87 UT: m1=10.8, Dia.=4', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Sep. 22.41 UT: m1=12.0, Dia.=2’, DC=5/6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma bright, small, central condensation visible using averted vision, coma elongated to WSW. Comp Star= ASAS-3 234901+0518.1; Method= M; Cat= AU]
2011 Sep. 21.42 UT: m1=12.9, Dia.=1’, DC=5; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, central condensation bright, elongated to the West, averted vision gives the best view. Comp Star= ASAS-3 234920+0522.3; Method= M; Cat= AU]
2011 Sep. 20.91 UT: m1=11.3, Dia.=1.5', DC=4, no cola; 23.5cm SCT (87x); Carlos Labordena (Castellón, España)
2011 Sep. 19.90 UT: m1=10.8, Dia.=4', DC=4; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [El cometa se muestra significativamente más brillante que hace dos semanas, mostrando una más amplia coma]
2011 Set. 19.125 UT: m1=11.5, Dia.=2', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Sep. 15.41 UT: m1=12.2, Dia.=1.5’, DC=5; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, small central condensation noticeable in periods of good seeing, no tail, enhances slightly in Swan Band filter. Averted vision used for m1 measurement. Comp Star= GSC-0593-0517; Method= M; Cat= HS]
2011 Sep. 07.06 UT: m1=12.5, Dia.=1.2', DC=5; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 Sep. 03.04 UT: m1=12.8, Dia.=1.0', DC=6; 20cm SCT (100x); Juan José Gonzalez (Pandorado, alt. 1190 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 Set. 01.167 UT: m1=12.6, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Aug. 29.91 UT: m1=13.5, Dia.=0.5', DC=5; 20.3 cm reflector (133x); Vyacheslav Ivanov (Melovoe, Russia)
2011 Ago. 26.94 UT: m1=13.2, Dia.=1.0', DC=6; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría TASS]
2011 Aug. 25.88 UT: m1=13.5, Dia.=0.7', DC=6; 25.4 cm reflector (171x); Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 25.51 UT: m1=13.3, Dia.=1’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma best seen with averted vision, no tail. Comp Star= ASAS-3 000227+0741.7; Method= S; Cat= AU
2011 Aug. 24.52 UT: m1=13.7, Dia.=1.3’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, visible using averted vision. Comp Star= ASAS-3 000143+0732.6; Method= S; Cat= AU

74P/Smirnova-Chernykh
2010 Jul. 10.56 UT: m1=16.7, Dia.=0.2'; 15 cm refractor + CCD; Artyom Novichonok & Dimitry Chestnov (remotely Moorook, S. Australia)
2010 Jun. 14.21 UT: m1=15.8 ccd, Dia.=0.31', DC=7/, tail:2.3' in PA:298 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 20.38 UT: m1=16.6 ccd, Dia.=0.28', DC=8, Tail:2' in PA:289 deg.; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)

67P/Churyumov-Gerasimenko
2010 Feb. 20.38 UT: m1=18.4 ccd, Dia.=0.70', DC=0/; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)

65P/Gunn
2010 Nov. 08.43 UT: m1=14.7, Dia.=0.5’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, dim with small central condensation visible using averted vision in good seeing. Comp Star= GSC-6932-0121; Method= S; Cat= HS]
2010 Oct. 27.44 UT: m1=13.9, Dia.=1', DC=0/1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, visible using averted vision, no tail. Comp Star= GSC-6934-0698; Method=S; Cat= HS]
2010 Out. 26.979 UT: m1=13.6:, Dia.=0.2', DC=7; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Sep. 10.97 UT: m1=13.0:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil) [ASAS]
2010 Sep. 09.94 UT: m1=13.0:, DC=8/; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil) [ASAS]
2010 Sep. 06.39 UT: m1=13.8, Dia.=0.5’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small, averted vision, close to bright star. Comp Star= GSC-7460-1503; Method= S; Cat= HS]
2010 Sep. 02.37 UT: m1=13.9, Dia.=1.5’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma small and diffuse, close to bright stars. Comp Star= GSC-7460-1369; Method= S; Cat= HS]
2010 Ago. 07.93 UT: m1=12.3, Dia.=1', DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2010 Ago. 07.125 UT: m1=11.7, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Ago. 06.98 UT: m1=11.7, Dia.=1.2', DC=3/; 20 cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 14º]
2010 Aug. 06.97 UT: m1=11.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Aug. 04.38 UT; m1= 12.2, Dia.=3’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, bright star nearby. Comp Star= GSC-7462-0351; Method= S; Cat= HS]
2010 Jul. 18.208 UT: m1=11.5, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 18.13 UT: m1=11.5, Dia.=1.5', DC=4; 20 cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 15º]
2010 Jul. 17.59 UT: m1=11.8, Dia.=3'; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2010 Jul. 15.00 UT: m1=11.5:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 14.14 UT: m1=11.5:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 10.48 UT: m1=12.7, Dia.=2.5'; 15cm L + CCD; Artyom Novichonok (remotely Moorook, S. Australia)
2010 Jul. 10.07 UT: m1=11.5, Dia.=1.5', DC=4; 20 cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 17º]
2010 Jul. 09.271 UT: m1=11.9:, Dia.=1', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [próximo a estrela com m1:12.1]
2010 Jul. 06.15 UT: m1=11.5, Dia.=1', DC=6; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 05.30 UT: m1=11.5:, Dia.=0.5', DC=6; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 June 20.42 UT: m1=13.2 ccd, Dia.=1.6', Tail=7'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Jun. 18.07 UT: m1=11.9, Dia.=1.2', DC=4; 20 cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 13º]
2010 Jun. 12.312 UT: m1=12.6, Dia.=0.5', DC=4; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 10.39 UT: m1=14.2 ccd, Dia.=0.56', DC=7/, tail 5.6' in PA:256 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran', Belarus)
2010 May. 22.12 UT: m1=12.3, Dia.=1.2', DC=3/; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 14º]
2010 May. 11.79 UT: m1=13.3, Dia.=0.6’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, no tail. Comp Star= GSC-6926-1107; Method= S; Cat= HS]
2010 May. 10.75 UT: m1=13.5, Dia.=0.6’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, glimpses of tight central condensation in small coma using averted vision. Comp Star= GSC-6926-1386; Method= S; Cat= HS]
2010 Apr. 22.75 UT: m1=14.4, Dia.=0.5’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma small and diffuse, bright star nearby, averted vision. Comp Star= GSC-6912-0469; Method= S; Cat= HS]
2010 Mar. 25.72 UT: m1=13.4, Dia.=0.7’, DC= 0/1; 25cm L f:5 (139x); Chris Wyatt (Walcha, NSW, Australia) [Coma very faint and diffuse using averted vision, no tail. Comp Star= GSC-6894-2556; Method= S; Cat= HS]
2010 Mar. 23.72 UT: m1=13.6, Dia.=0.6’, DC= 0/1; 25cm L f:5 (139x); Chris Wyatt (Walcha, NSW, Australia) [No tail, only visible using averted vision. Comp Star= GSC-6894-2630; Method= S; Cat= HS]
2010 Mar. 18.74 UT: m1=13.8; Dia.=0.75’, DC=1/2; 25cm L f:5 (139x); Chris Wyatt (Walcha, NSW, Australia) [No tail, very diffuse, visible using averted vision. Comp Star= GSC-6893-0637; Method= S; Cat= HS]

49P/Arend-Rigaux
2011 Dec. 23.82 UT: m1=[13.4, Dia.=1'; 13.0cm reflector; M.-T. Hui (Mt. Mulan, Wuhan, China) [LM around the region ~14.5 mag, but comet quite close to a mV=12.4 star]
2011 Dec. 23.21 UT: m1=11.2, Dia.=5', DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Dic. 07.21 UT: m1=10.1, Dia.=8', DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma elongada, amplia y difusa, cubriendo varias estrellas, siendo la más brillante de mag. 12.6 (GSC)]
2011 Dec. 06.22 UT: m1=10.9, Dia.=4', DC=2, no cola; 20cm SCT(80x); Carlos Labordena (Castellón, España)
2011 Dez. 03.292 UT: m1=12.8, Dia.=1.5', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 29.45 UT: m1=[12.2; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 25.83 UT: m1=13.0, Dia.=1.2', DC=4/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.83 UT: m1=13.3, Dia.=1.2', DC=3/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.20 UT: m1=10.2, Dia.=6', DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma elongada. Luz zodiacal]
2011 Nov. 23.41 UT: m1=[11.3; 25cm Reflector (120x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 08.21 UT: m1=10.8, Dia.=5', DC=2/; 20cm SCT (77x); Juan José González (El Fito - Sierra del Sueve, alt. 570 m., Asturias, España)
2011 Oct. 09.18 UT: m1=11.7, Dia.=3', DC=3; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2011 Oct. 08.78 UT: m1=12.9, Dia.=1.1', DC=5; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 07.78 UT: m1=12.9, Dia.=1.4', DC=4; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 01.17 UT: m1=12.0, Dia.=2.5', DC=3; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS]

48P/Johnson
2011 Ago. 01.05 UT: m1=14.2, Dia.=0.6', DC=6; 20cm SCT (222x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden cerca de GRB030723. Cielo muy claro de montaña]

45P/Honda-Mrkos-Pajdusakova
2011 Dic. 07.23 UT: m1=10.5, Dia.=3', DC=2/; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Luz zodiacal]
2011 Nov. 25.83 UT: m1=13.5, Dia.=0.6', DC=2; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 08.22 UT: m1=9.5, Dia.=5', DC=3, Cola: 0.4º en AP 290º; 20cm SCT (77x); Juan José González (El Fito - Sierra del Sueve, alt. 570 m., Asturias, España) [Varias estrellas en la coma, la más brillante de mag. 11.6 (Tycho-2). Luz zodiacal. Altura sobre el horizonte: 22º]
2011 Nov. 01.48 UT: m1=11.0, Dia.=4´, DC=4, Tail: no visible; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Oct. 30.19 UT: m1=9.2, Dia.=3.5', DC=3/, Cola: 0.2º en AP 290º; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Luz zodiacal. Altura sobre el horizonte: 10º. Cielo muy claro de montaña]
2011 Oct. 09.22 UT: m1=7.5, Dia.=4', DC=7/; 10x50 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20cm SCT (77x): Cola de 1.9º en AP 300º. Altura sobre el horizonte: 19º. Luz zodiacal. Crepúsculo astronómico. Cielo muy claro de montaña]
2011 Oct. 08.81 UT: m1=8.0, Dia.=3.5', DC=7/; 40cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 07.80 UT: m1=8.0, Dia.=1.9', DC=8; 40cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2011 Out. 07.333 UT: m1=7.6, Dia.=4', DC=5/; 20x100 B; Marco Goiato (Araçatuba, Brasil) [cometa a 10º de altura, crepúsculo náutico]
2011 Out. 04.333 UT: m1=7.3, Dia.=4', DC=6; 20x100 B; Marco Goiato (Araçatuba, Brasil) [cometa a 9º de altura]
2011 Oct. 01.21 UT: m1=7.2, Dia.=4', DC=7, Cola: 0.6º en AP 290º; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Luz zodiacal. Altura sobre el horizonte: 16º. Una menor transparencia atmosférica a baja altura no permitió observar mayor longitud de cola]
2011 Sep. 25.18 UT: m1=6.6, Dia.=5', DC=6; 10x50 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20cm SCT (77x): Cola de 0.6º en AP 280º. Altura sobre el horizonte: 9º. Estrellas de comparación a la misma altura que el cometa. Alguna interferencia de la cercana Luna (fase 0.07). Luz zodiacal. Cielo muy claro de montaña]
2011 Aug. 14.36 UT: m1=8.0, Dia.=3', DC=3; 20x80 B; Willian Souza (Sao Paulo, Brazil) [Moon ~12 deg high]
2011 Aug. 13.36 UT: m1=8.1, Dia.=3', DC=3; 20x80 B; Willian Souza (Sao Paulo, Brazil) [Moon ~3 deg high]
2011 Ago. 11.354 UT: m1=8.9, Dia.=12', DC=1/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Pouca ou nenhuma melhora com filtro de cometa]
2011 Ago. 09.146 UT: m1=9.5:, Dia.=7', DC=2; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2011 Ago. 08.07 UT: m1=9.2, Dia.=8', DC=2/; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m., León, España) [Cielo muy claro de montaña. Estrellas de comparación a la misma baja altura (6º) sobre el horizonte que el cometa]
2011 Aug. 08.05 UT: m1=10.0; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 07.12 UT: m1=10.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 06.04 UT: m1=10.7, Dia=2', DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2011 Aug. 05.14 UT: m1=11.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 04.16 UT: m1=11.5, Dia.=1'; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Ago. 04.104 UT: m1=10.9, Dia.=4', DC=1/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Ago. 04.08 UT: m1=9.8, Dia.=8', DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Altura sobre el horizonte: 15º]
2011 Aug. 03.75 UT: m1=[9.4; 20x80 B; Artyom Novichonok (Nam Cat Tien National Park, Vietnam)
2011 Aug. 03.52 UT: m1=11.0, Dia.=3', DC=1; 20cm L (67x); Michael Mattiazzo (Castlemaine, Victoria) [Tycho 2 VT comparison stars. First positive observation. Very diffuse. Good conditions]
2011 Aug. 03.08 UT: m1=11.2:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Ago. 03.06 UT: m1=11.6, Dia.=3', DC=3, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Aug. 02.80 UT: m1=10.6, Dia.=3.4', DC=2/; 20cm reflector; M.-T. Hui (Canton, China) [city lights]
2011 Aug. 01.80 UT: m1=10.4, Dia.=2'.8, DC=3; 20.0-cm L (48x); M.-T. Hui (Canton, China) [city lights; slight smog; motion noticeable during a spell of 30min]
2011 Ago. 01.10 UT: m1=10.7, Dia.=6', DC=2/; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Altura sobre el horizonte: 18º]
2011 Jul. 31.02 UT: m1=13.1, Dia.=0.7', DC=2; 51cm L5 (121x); José Carvajal (Madrid, España) [Método: S, Cat: NP]
2011 Jul. 30.250 UT: m1=11.8:, Dia.=2', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2011 Jul. 28.83 UT: m1=12.4:, Dia.=&2', DC=2; 20.0-cm L (48x); M.-T. Hui (Canton, China) [city lights; suffering from abdominal pain]
2011 Jul 29.58 UT; m1= 13.1; Dia= 1.2’; DC= 3/4; 25cm L, f:5 (x83); Chris Wyatt (Walcha, NSW, Australia) [Coma small, central condensation slightly brighter but smeared out, faint outer coma, no tail, averted vision, no enhancement with Swan Band filter. Comp Star= ASAS-3 220024_2707.5; Method= S; Cat= AU]
2011 Jul. 28.04 UT: m1=11.3, Dia.=5', DC=2/; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cometa significativamente más brillante que lo previsto. Coma de 5' con débil y difusa región exterior. Observación realizada desde localidad de montaña, con muy buen seeing. Movimiento seguido durante 75 min. Estrellas de campo comprobadas en el DSS. Magnitud límite estelar cerca del cometa: 15.3 (GSC)]

30P/Reinmuth
2010 Fev. 03.000 UT: m1=13.3, Dia.=0.5', DC=6; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2009 Dez. 24.125 UT: m1=13.4, Dia.=0.4', DC=6; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 24.08 UT: m1=15.2, Dia.=0.2', DC=7; 20cm SCT (200x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 20 minutos. Estrellas de comparación de la secuencia Henden de V650 Ori. Cielo muy claro de montaña.]
2009 Nov. 18.92 UT: m1=16.0 ccd, Dia.=0.2', DC=2; 25cmL +ccd+ Rc filter; Toni Scarmato (Calabria, Italia)

29P/Schwassmann-Wachmann 1
2012 Ene. 03.24 UT: m1=14.2, Dia.=0.3', DC=7; 20cm SCT (222x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En evolución después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación tomadas de la fotometría Henden del sector HS550. Cielo muy claro de montaña]
2011 Dec 23.22 UT: m1=11.5, Dia.=4', DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Dic. 07.22 UT: m1=10.3, Dia.=6', DC=2; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Luz zodiacal]
2011 Dec. 06.23 UT: m1= 11.2, Dia.=4', DC=2, no cola; 20cm SCT(80x); Carlos Labordena (Castellón, España)
2011 Nov. 29.47 UT: m1=[12.3; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 25.85 UT: m1=13.6, Dia.=0.7', DC=3/; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.22 UT: m1=10.0, Dia.=7', DC=2; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Amplia y difusa coma. Luz zodiacal. Cielo muy claro de montaña ].
2011 Nov. 08.24 UT: m1=10.2, Dia.=8', DC=2/; 20cm SCT (77x); Juan José González (El Fito - Sierra del Sueve, alt. 570 m., Asturias, España) [A 133x : m2=13.2 (GSC). Primera estimación personal después de la conjunción. Amplia y difusa coma de 8', que parece ser un remanente de un fuerte outburst previo. Estrellas de campo comprobadas en el DSS. Luz zodiacal. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 17º. Cielo muy claro de montaña]
2011 Jun. 25.88 UT: m1=13.0, Dia.=1.2', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Jun. 23.37 UT: m1=12.5, Dia.=3.8’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears to have faint outer edges with slightly brighter inner third, broad central condensation with even brightness, averted vision. Comp Star= ASAS-3 105131+0032.2; Method= S; Cat= AU]
2011 Jun. 20.37 UT: m1=12.4, Dia.=3.3´, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears evenly diffuse, no tail. Comp Star= ASAS-3 104852+0040.4; Method= S; Cat= AU]
2011 Jun. 19.38 UT: m1=12.1, Dia.=3.3’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma close to bright star making observation difficult, no tail, coma seems almost evenly diffuse, smallish broad central condensation. Comp Star= ASAS-3 104753+0146.1; Method= S; Cat= AU]
2011 Jun. 06.43 UT: m1=12.2, Dia.=2.5’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, almost even brightness with broad central condensation, slight interference by moonlight. Comp Star= ASAS-3 104623+0219.6; Method= S; Cat= AU]
2011 Jun. 06.00 UT: m1=11.0, Dia.=3', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Jun. 04.94 UT: m1=11.7, Dia.=1.5', DC=4; 20.3cm SCT (50x); Alexandre Amorim (Florianopolis, Brazil) [ASAS-3]
2011 Jun. 04.89 UT: m1=12.4, Dia.=1.5', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Jun. 03.42 UT: m1=11.9, Dia.=2.5’, DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Bright star at edge of coma, no tail, central condensation diffuse, coma elongated to the West, does not enhance with Swan band filter. Comp Star= ASAS-3 194322+0114.2; Method= S; Cat= AU]
2011 Jun. 01.94 UT: m1=10.2, Dia.=3.5', DC=3/; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España ) [ Coma de 3.5', con débil región exterior procedente de outbursts previos, incluyendo región interna de 1.5' más brillante, procedente del reciente outburst. Cielo muy claro de montaña]
2011 May. 22.96 UT: m1=11.8, Dia.=1.5', DC=6; 20cm SCT (100x); Juan José González (Sierra de Penouta - Boal, alt. 890 m., Asturias, España) [En evolución después del reciente nuevo outburst. Cometa cercano a estrella de mag 13.5 (GSC)]
2011 May. 14.97 UT: m1=12.7, Dia.=0.3', DC=8; 20cm SCT (133x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Importante interferencia de la luz lunar. El cometa se muestra fuertemente condensado después del más reciente nuevo outburst. Estrellas de comparación de la fotometría TASS. Cielo muy claro de montaña]
2011 May. 09.01 UT: m1=13.2, Dia.=1.5', DC=6; 20cm SCT (100x); Juan José González (Villafáfila, alt. 710 m., Zamora, España) [m2=14.5 (HN). Coma interna más brillante, después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden - campo G2681005 ].
2011 Abr. 30.94 UT: m1=12.4, Dia.=3', DC=2, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Abr. 27.02 UT: m1=11.3, Dia.=4', DC=2; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Amplia coma difusa, remanente del outburst previo]
2011 Abr. 05.02 UT: m1=11.2, Dia.=4', DC=2/; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma de 4', con débil región exterior procedente del outburst previo, incluyendo región interna de 1.5' más brillante, procedente del reciente outburst ].
2011 Abr. 01.88 UT: m1=12.8, Dia.=2', DC=3, no cola; 23.5cm SCT (188x); Carlos Labordena (Castellón, España)
2011 Abr. 01.15 UT: m1=11.2, Dia.=5', DC=2; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma de 5', con débil región exterior procedente del outburst previo, incluyendo región interna de 1.5' más brillante, procedente del reciente outburst. Cielo muy claro de montaña]
2011 Mar. 30.90 UT: m1=13.4 ccd, Dia.=1.2', DC=6/; 41cm L f:3.8 + CCD; Sergey Shurpakov (A98, Baran', Belarus)
2011 Mar. 28.74 UT: m1=12.2, Dia.=2'.7, DC=5; 21cm Cassagrain; Man-To Hui (Mt. Guizi, Wuchang, China) [city lights]
2011 Mar. 07.00 UT: m1=12.2, Dia.=3', DC=2; 20cm SCT (100x); Juan José González (Aralla, alt. 1430 m., León, España) [Estrellas de comparación para la m1 tomadas de la fotometría TASS ; m2=15.0 (Henden) después de un reciente outburst menor. La débil coma observada de 3' es un remanente del outburst previo. Cielo muy claro de montaña]
2011 Feb. 05.02 UT: m1=13.8, Dia.=0.5', DC=5; 20cm SCT (206x); Juan José González (Valle Peral - Lena, alt. 940 m., Asturias, España) [Estrellas de comparación tomadas de la fotometría Henden del sector G2681005. Cielo muy claro de montaña]
2011 Ene. 24.98 UT: m1=13.5, Dia.=0.4', DC=6; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m., León, España) [En evolución después del reciente menor outburst. Estrellas de comparación tomadas de la fotometría Henden del sector G2681005. Cielo muy claro de montaña]
2010 Dec. 04.82 UT: m1=14.3, Dia.=0.5', DC=4; 40cm L f:4 (144x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Jun. 11.89 UT: m1=11.9, Dia.=1.5', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Jun. 03.93 UT: m1=11.8, Dia.=1.8', DC=2/; 20cm SCT (133x); Juan José González (Alto del Trichero - Soto y Amío, alt. 1190 m., León, España)
2010 May. 16.98 UT: m1=11.2, Dia.=2.5', DC=2/; 20cm SCT (100x); Juan José González (Cueto Rosales - Riello, alt. 1420 m., León, España)
2010 May. 15.88 UT: m1=11.7, Dia.=2', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 May. 11.42 UT: m1=12.4, Dia.=1.2’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, not stellar. Comp Star= GSC-0825-0587; Method= S; Cat= HS]
2010 May. 10.40 UT: m1=12.4, Dia.=2.4’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0908; Method= S; Cat= HS]
2010 May. 09.78 UT: m1=12.2 ccd, Dia.=1.1'; 25cm L +CCD +R_c filter; Toni Scarmato (Calabria, Italia)
2010 May. 09.47 UT: m1=12.3, Dia.=1.5’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0751; Method= S; Cat= HS]
2010 May. 07.49 UT: m1=12.4, Dia.=1.5’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright stars. Comp Star= GSC-0825-0908; Method= S; Cat= HS]
2010 May. 06.41 UT: m1=11.3, Dia.=1.5’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 825-880-1; Method= S; Cat= TJ]
2010 May. 05.93 UT: m1=11.2, Dia.=2.5', DC=2/; 20cm SCT (100x); Juan Jose Gonzalez (Pandorado, alt. 1190 m, Leon, España) [Varias estrellas en la coma, la más brillante de mag. 13.5 (GSC)]
2010 May. 05.40 UT: m1=11.3, Dia.=2.2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0677; Method= S; Cat= HS]
2010 May. 04.22 UT: m1=13.0 ccd, Dia.=1.4'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May. 03.46 UT: m1=11.3, Dia.=2.3', DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2010 May. 03.39 UT: m1=11.8, Dia.=1.2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, evenly diffuse. Comp Star= GSC-0825-1181; Method= S; Cat= HS]
2010 May. 02.48 UT: m1=11.5, Dia.=2.2', DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2010 Mai. 01.937 UT: m1=12.0, Dia.=2', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 01.47 UT: m1=11.4, Dia.=2.2', DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2010 Apr. 20.40 UT: m1=11.9, Dia.=1’, DC=4/5; 25cm L, f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight, coma small, diffuse edges with bright central condensation although not quite stellar, no tail. Comp Star= GSC-0825-0543; Method= S; Cat= HS]
2010 Abr. 18.979 UT: m1=12.3, Dia.=0.7', DC=6/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 17.00 UT: m1=11.7, Dia.=2.0', DC=2; 20cm SCT (100x); Juan José González (La Cruz - Lieres, alt. 520 m, Asturias, España) [Nuevo outburst. Condensación central estelar con m2=12.8 (estrellas de comparación del campo Henden HS618 ). La coma de 2' observada es un remanente del outburst previo]
2010 Abr. 16.958 UT: m1=12.5, Dia.=0.5', DC=7/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [novo outburst]
2010 Abr. 10.88 UT: m1=12.5, Dia.=1', DC=2, no cola; 23.5cm SCT(138x); Carlos Labordena (Castellón, España)
2010 Abr. 10.000 UT: m1=12.4, Dia.=1.5', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 08.021 UT: m1=12.4, Dia.=1.5', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 04.89 UT: m1=11.8, Dia.=2.5', DC=1; 20cm SCT (100x); Juan José González (Alto del Trichero - Soto y Amío, alt. 1190 m., León, España)
2010 Mar. 19.86 UT: m1=11.8 ccd, Dia.=1.7'; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 19.50 UT: m1=11.9, Dia.=5.4’, DC=1; 20cm T f:6 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0404; Method= S; Cat= HS]
2010 Mar. 18.44 UT: m1=11.1, Dia.=6.4’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears circular, faint diffuse edge that gradually brightens toward the centre. Comp Star= TYC 825-736-1; Method= S; Cat= TJ]
2010 Mar. 17.79 UT: m1=13.1 ccd, Dia.=0.7', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 17.41 UT: m1=11.4, Dia.=5.1’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, close to bright star. Comp Star= TYC 826-901-1; Method= S; Cat= TJ]
2010 Mar. 15.45 UT: m1=11.8, Dia.=4’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright star, coma evenly diffuse. Comp Star= TYC 825-736-1; Method= S; Cat= TJ]
2010 Mar. 15.12 UT: m1=11.7, Dia.=1.5', DC=2; 20cm SCT (133x); Juan José González (Aralla, alt. 1440 m., León, España)
2010 Mar. 13.979 UT: m1=11.5, Dia.=2', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 13.95 UT: m1=11.2, Dia.=2.5', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Mar. 11.125 UT: m1=11.2, Dia.=2', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 09.50 UT: m1=11.4, Dia.=5.5’, DC=1; 25cm L f:5 (39x); Chris Wyatt, Walcha (NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 826-901-1; Method= S; Cat= TJ]
2010 Mar. 08.89 UT: m1=11.2, Dia.=2.5', DC=2/; 20cm SCT (100x); Juan José González (Castañedo del Monte, Santo Adriano, alt. 640 m, Asturias, España)
2010 Mar. 08.47 UT: m1=11.4, Dia.=6.4’, DC=1; 25cm L f:5 (39x); Chris Wyatt Walcha, (NSW, Australia) [Coma very diffuse and circular, no tail. Comp Star= TYC 826-901-1; Method= S; Cat= TJ]
2010 Mar. 08.125 UT: m1=11.0, Dia.=2.5', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 07.000 UT: m1=11.0, Dia.=2.5', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 01.81 UT: m1=10.8, Dia.=1.5', DC=5; 20 cm SCT (77x); Juan José González (Sierra de Fario, Sariego, alt. 660 m, Asturias, España) [Crepúsculo astronómico]
2010 Feb. 24.45 UT: m1=12.9 ccd, Dia.=2', DC=6/; 0.41-m f/9 Ritchey-Chretien telescope + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Fev. 21.167 UT: m1=10.7, Dia.=2.5', DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 20.34 UT: m1=12.2 ccd, Dia.=2.2', DC=6/; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 20.322 UT: m1=11.0 ccd, Dia.=2.3'; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 19.93 UT: m1=[11.6; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 19.61 UT: m1=10.6, Dia.=1.5', DC=5; 20cm L 57x); Michael Mattiazzo (Castlemaine, Victoria) [coma appears as a bright circular haze of high surface brightness]
2010 Feb. 17.80 UT: m1=11.0, Dia.=1.8', DC=5; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 17.15 UT: m1=12.0, Dia.=1´, DC=5, Cola: no; 15 cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Feb. 16.85 UT: m1=10.7, Dia.=2.1', DC=6; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Fev. 15.083 UT: m1=10.8, Dia.=2', DC=6; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 14.18 UT: m1=10.9 ccd, Dia.=1.6'; 18 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 12.68 UT: m1=11.0, Dia.=1.1’, DC=4; 25cm L, f:5 (39x) [Chris Wyatt, Walcha, NSW, Australia] Coma small, no tail, central condensation not sharply defined. Comp Star= GSC-0824-0115; Method= S; Cat= HS
2010 Feb. 11.69 UT: m1=11.1, Dia.=0.8’, DC=6; 25cm L, f:5 (39x) [Chris Wyatt, Walcha, NSW, Australia] Coma small, more diffuse, small central condensation, no tail. Comp Star= TYC 824-626-1; Method= S; Cat= TJ
2010 Feb. 10.50 UT: m1=10.7, Dia.=0.7’, DC=7; 25cm L, f:5 (39x) [Chris Wyatt, Walcha, NSW, Australia] Coma very small, bright central condensation, very thin diffuse coma edge, no tail. Comp Star= GSC-0824-0930; Method= S; Cat= HS
2010 Feb. 10.16 UT: m1=10.8, Dia.=90", DC=6, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Feb. 10.04 UT: m1=11.1, Dia.=1.2', DC=7; 20cm SCT (133x); Juan José González (Caldas de Luna, alt. 1120 m, León, España ) [ Se percibe una evolución más simétrica de la coma visible que en previos estallidos típicos del 29P]
2010 Fev. 07.250 UT: m1=11.0, Dia.=1', DC=7; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 06.54 UT: m1=10.8, Dia.=0.5', DC=8; 20cm L (57x); Michael Mattiazzo (Castlemaine, Victoria)
2010 Feb. 06.54 UT: m1=11.0 ccd, Dia.=0.7'; 18-cm L + CCD; Artyom Novichonok & D. Chestnov (remotely Moorook, Australia)
2010 Feb. 06.35 UT: m1=11.5 ccd, Dia.=1.14', DC=8; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran', Belarus)
2010 Feb. 06.16 UT: m1:11.5, Dia.=1´, DC=8, Cola: No; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Fev. 06.125 UT: m1=11.3, Dia.=1', DC=8; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [expansão da coma e discreta redução do grau de condensação]
2010 Fev. 04.062 UT: m1=11.5, Dia.=0.4', DC=8/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [aparência estelar com aumento de 60x]
2010 Jan. 25.76 UT: m1=13.2 ccd, Dia.=1.0'; 18cm reflector + CCD; Artyom Novichonok (remotely Moorook, Australia)
2010 Jan. 24.58 UT: m1=13.5 ccd, Dia.=0.8'; 18cm reflector + CCD; Artyom Novichonok (remotely Moorook, Australia)
2009 Dic. 12.15 UT: m1=12.0, Dia.=2', DC=1/; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 24.14 UT: m1=11.9, Dia.=1.5', DC=5; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 18.11 UT: m1=11.8, Dia.=0.6', DC=6; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [En evolución después del reciente outburst]
2009 Nov. 14.281 UT: m1=11.9, Dia.=1.5', DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 26.21 UT: m1=11.3, Dia.=3', DC=2; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [La coma de 3' observada es un remanente del outburst previo. Luz zodiacal]
2009 Oct. 17.12 UT: m1=12.2, Dia.=1', DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2009 Sep. 29.20 UT: m1=11.5, Dia.=1.5', DC=5; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 25.17 UT: m1=12.1, Dia.=50", DC=4, no cola; 23.5cm SCTm(138x); Carlos Labordena (Castellón, España)
2009 Sep. 23.19 UT: m1=11.7, Dia.=0.7', DC=5; 20cm SCT (206x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [En evolución después del reciente outburst. Luz zodiacal. Altura: 20º]

27P/Crommelin
2011 Jul. 05.10 UT: m1=10.1, Dia.=3', DC=3; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 8º]
2011 Jul. 01.11 UT: m1=10.3, Dia.=3.5', DC=3; 20cm SCT (100x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Observación realizada desde ubicación de montaña, con muy buen seeing. Estrellas de campo comprobadas en el DSS. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 11º]

22P/Kopff
2009 Nov. 11.74 UT: m1=14.4 ccd, Dia.=0.9', DC=2; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2009 Nov. 13.000 UT: m1=12.0, Dia.=2.5', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 08.83 UT: m1=11.7, Dia.=3', DC=1; 20 cm SCT (100x); Juan Jose Gonzalez (Trascastro de Luna, alt. 1010 m, León, España)
2009 Out. 24.104 UT: m1=11.7, Dia.=2', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Out. 21.125 UT: m1=11.8, Dia.=2', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 16.85 UT: m1=11.2, Dia.=2', DC=2, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Out. 16.104 UT: m1=11.4, Dia.=2', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 11.82 UT: m1=11.2, Dia.=3', DC=2; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Out. 10.125 UT: m1=11.5, Dia.=3', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 29.07 UT: m1=11.0, Dia.=3', DC=3; 20 cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Set. 25.135 UT: m1=11.0, Dia.=3', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 24.92 UT: m1=10.7, Dia.=2.5', DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2009 Sep. 22.93 UT: m1=11.1, Dia.=3', DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 20.74 UT: m1=10.8, Dia.=2.0', DC=3/; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2009 Set. 14.125 UT: m1=10.5, Dia.=3', DC=2/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 11.91 UT: m1=10.7, Dia.=3', DC=3; 20 cm SCT (100x); Juan José González (Aralla, alt. 1360 m, León, España)
2009 Aug. 31.10 UT: m1=10.4, Dia.=4', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m, León, España)
2009 Aug. 29.02 UT: m1=10.4, Dia.=3', DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m, León, España)
2009 Ago. 27.146 UT: m1=10.5, Dia.=3.5', DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Ago. 23.242 UT: m1=10.4, Dia.=5.0', DC=2; 15cm SCT (37x); Salvador Aguirre (Hillo, Sonora, México)
2009 Ago. 21.98 UT: m1=10.9, Dia.=3', DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Aug. 19.03 UT: m1=10.7, Dia.=3', DC=6; 51cm L f:5 (82x); José Carvajal (Avila, España)
2009 Aug. 19.01 UT: m1=10.3, Dia.=4', DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m, León, España)
2009 Ago. 17.125 UT: m1=10.4, Dia.=4', DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Aug. 16.44 UT: m1=10.5, Dia.=8’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, faint background stars in vicinity of coma. Comp Star= TYC 5816-869-1; Method= S; Cat= TJ]
2009 Aug. 15.56 UT: m1=10.9, Dia.=2.5’, DC=4/5; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia] [No tail, coma elongated to West. Comp Star= TYC 5816-544-1; Method= S; Cat= TJ]
2009 Aug. 14.49 UT: m1=10.8, Dia.=5’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia] [No tail. Comp Star= TYC 5816-735-1; Method= S; Cat= TJ]
2009 Jul. 14.96 UT: m1=10.2, Dia.=4', DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)

21P/Giacobini-Zinner
2012 Ene. 10.78 UT: m1=8.8, Dia.=9', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., Leon, España) [Amplia y difusa coma elongada. Fin del crepúsculo astronómico. Altura sobre el horizonte: 12º. Cielo muy claro de montaña]
2011 Dic. 22.78 UT: m1=9.3, Dia.=9', DC=3; 20cm SCT (77x); Juan José González (Collada del Fresno - Sierra del Aramo, 1221 m, Asturias, España) [Significativamente más brillante que lo esperado. Amplia y difusa coma externa. Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2011 Nov. 25.37 UT: m1=12.2, Dia.=1.3', DC=4; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.38 UT: m1=[12.1; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 17.78 UT: m1=12.2, Dia.=1.5', DC=4; 20cm SCT (133x); Juan José González (Angliru - Sierra del Aramo, alt. 1540 m., Asturias, España) [Estrellas de comparación de la fotometría TASS. Altura sobre el horizonte: 18º. Cielo muy claro de montaña]

10P/Tempel 2
2010 Nov. 25.44 UT: m1=12.4, Dia.=3', DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, visible using averted vision. Comp Star= GSC-5275-1761; Method= S; Cat= HS]
2010 Dec. 04.43 UT: m1=12.8, Dia.=1.8'; 40cm L f:4 (144x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Dic. 04.06 UT: m1=11.1, Dia.=5', DC=2, no cola; 20cm SC(50x); Carlos Labordena (Castellón, España)
2010 Nov. 28.83 UT: m1=10.7, Dia.=6', DC=2; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m., León, España) [bajo Estrella de mag. 12.1 (Tycho-2) dentro de la coma]
2010 Nov. 25.44 UT: m1=12.4, Dia.=3', DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, visible using averted vision. Comp Star= GSC-5275-1761; Method= S; Cat= HS]
2010 Nov. 24.78 UT: m1=10.7, Dia.=7', DC=2; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m., León, España)
2010 Nov. 12.125 UT: m1=11.1, Dia.=3', DC=3, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Nov. 08.44 UT: m1=12.2, Dia.=5.5’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large, gradual concentration to centre, not condensed. Comp Star= GSC-5851-1163; Method= S; Cat= HS]
2010 Nov. 07.167 UT: m1=10.9, Dia.=3', DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Nov. 03.042 UT: m1=10.6, Dia.=3', DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Nov. 02.45 UT: m1=10.0, Dia.=7.7’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, elongated to NW, background star in coma. Comp Star= TYC 5851-321-1; Method= S; Cat= TJ]
2010 Out. 28.052 UT: m1=10.4, Dia.=4', DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Oct. 27.43 UT: m1=11.6, Dia.=3.5', DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright star, coma observed with averted vision Comp Star= GSC-5851-0988; Method=S; Cat= HS]
2010 Oct. 18.11 UT: m1=9.6, Dia.=5', DC=3; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Oct. 14.00 UT: m1=9.7, Dia.=5', DC=3; 20cm SCT (77x); Juan José González (Pandorado, alt. 1720 m., León, España)
2010 Oct. 13.00 UT: m1=10.4, Dia.=2', DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Oct. 08.50 UT: m1=9.1, Dia.=8'; 25x100 B; David A. J. Seargent, Cowra, NSW, Australia)
2010 Out. 06.125 UT: m1=9.7, Dia.=7', DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Oct. 05.46 UT: m1=9.0, Dia.=5'; 25x100 B; David A. J. Seargent, Cowra, NSW, Australia) [Somewhat enhanced with Swan Band filter]
2010 Oct. 01.99 UT: m1=8.9, Dia.=10', DC=2/; 20x110 B; José Carvajal (Madrid, España)
2010 Sep. 28.47 UT; m1=10.2, Dia.=6.4', DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the West, broad, slightly fan shaped. Bright inner coma with gradually fading outer coma.Comp Star= TYC 5854-810-1; Method= S; Cat= TJ]
2010 Sep. 20.17 UT: m1=8.5, Dia.=10', DC=3/; 25x100 B; Juan José González (Aralla, alt. 1440 m., León, España)
2010 Sep. 18.93 UT: m1=8.8, Dia.=8', DC=3, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2010 Sep. 15.01 UT: m1=8.6, Dia.=10', DC=3; 25x100 B; Juan José González (Aralla, alt. 1440 m., León, España)
2010 Set. 12.229 UT: m1=9.6, Dia.=6', DC=4, 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil);
2010 Sep. 11.36 UT: m1=9.6 ccd, Dia.=0.6'; 21cm L +CCD; Artyom Novichonok (remotely Mayhill, U.S.A.)
2010 Sep. 11.04 UT: m1=9.5, Dia.=5', DC=3; no cola, 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Sep. 10.11 UT: m1=10.0, Dia.=2', DC=4; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 10.07 UT: m1=8.7, Dia.=8', DC=3/; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Sep. 09.09 UT: m1=10.2, Dia.=1', DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 07.55 UT: m1=8.4, Dia.=13.5’, DC= 3; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5852-717-1; Method= S; Cat= TJ]
2010 Sep. 06.51 UT: m1=8.6, Dia.=16’, DC= 1/2; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5279-1145-1; Method= S; Cat= TJ]
2010 Sep. 05.12 UT: m1=10.0, Dia.=1', DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 05.06 UT: m1=8.8, Dia.=7', DC=4; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Sep. 03.99 UT: m1=9.2, Dia.=5', DC=3, no cola; 23.5cm SCT(67x); Carlos Labordena (Castellón, España)
2010 Sep. 02.53 UT: m1=8.6, Dia.= 8’, DC= 2/3; 7x50 B; Chris Wyatt (Walcha, NSW, Australia) No tail. Comp Star= TYC 5855-1492-1; Method= S; Cat= TJ]
2010 Set. 02.145 UT: m1=9.4, Dia.=6', DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Aug. 21.17 UT: m1=8.7, Dia.=4', DC=4; 20x80 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2010 Ago. 20.16 UT: m1=8.7, Dia.=6', DC=4; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m., León, España) [Coma asimétrica]
2010 Aug. 18.36 UT: m1=8.4, Dia.=5', DC=3; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Ago. 16.167 UT: m1=8.5, Dia.=7', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Aug. 12.53 UT: m1=8.8, Dia.=9'; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Aug. 12.09 UT: m1=10.6 ccd, Dia.=3.1', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 08.55 UT: m1=8.7; 25x100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Ago. 08.08 UT: m1=8.7, Dia.=6', DC=4, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2010 Aug. 07.74 UT: m1=8.7, Dia.=8.5', DC=6; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan) [See it again since 1999. Now it is very bright, much brighter than my last observations in 1999! Very wide, but well condensed]
2010 Ago. 07.167 UT: m1=8.4, Dia.=8', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Ago. 07.05 UT: m1=8.6, Dia.=8', DC=4; 8cm R f:6 (12x); José Carvajal (Madrid, España) [Coma is 35' long and 25' wide, elongated towards PA 110 deg.]
2010 Ago. 07.04 UT: m1=8.7, Dia.=8', DC=4; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Ago. 06.166 UT: m1=8.4, Dia.=8', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Aug. 04.54 UT: m1=8.7, Dia.=11’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large, broad fan-shaped elongation to the North, coma enhances well with Swan band filter. Comp Star= TYC 5273-708-1; Method= S; Cat= TJ]
2010 Jul. 21.02 UT: m1=10.7 ccd, Dia.=2.6', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 18.229 UT: m1=8.5, Dia.=8', DC=3/; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jul. 18.12 UT: m1=8.6, Dia.=8', DC=3/; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Jul. 17.58 UT: m1=8.7, Dia.=8'; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia) [Comet more easily visible through Swan band filter]
2010 Jul. 17.145 UT: m1=8.5, Dia.=8', DC=3/; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jul. 15.15 UT: m1=8.6:, Dia.=4', DC=2; 20x80 B; Alexandre Amorim (Florianopolis, Brazil) [alt. 23 degrees]
2010 Jul. 14.89 UT: m1=9.8, Dia.=5', DC=2; 25.4cm L; Vyacheslav Ivanov (70 km from Saratov, near Peschanka, Russia)
2010 Jul. 14.20 UT: m1=8.6, Dia.=6', DC=4; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 13.90 UT: m1=9.5, Dia.=5', DC=2; 20 cm L; Vyacheslav Ivanov (70 km from Saratov, near Peschanka, Russia)
2010 Jul. 10.11 UT: m1=8.2, Dia.=8', DC=3/; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Jul. 10.08 UT: m1=9.3 ccd, Dia.=2.6', DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 09.292 UT: m1=8.6, Dia.=8', DC=3; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jul. 06.18 UT: m1=9.7:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 05.28 UT: m1=9.4, Dia.=3', DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 05.031 UT: m1=8.7, Dia.=8', DC=3; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jun. 22.07 UT: m1=8.8, Dia.=8', DC=3; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Jun. 19.291 UT: m1=9.2, Dia.=8', DC=2; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jun. 19.281 UT: m1=9.3, Dia.=8', DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [melhora significativa com filtro de cometa]
2010 Jun. 18.08 UT: m1=9.1, Dia.=7', DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Jun. 17.08 UT: m1=9.8, Dia.=6', DC=3, no cola; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2010 Jun. 15.4361: m1=10.5, Dia.=6´, DC=3, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Jun. 14.333 UT: m1=9.4, Dia.=8', DC=3; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jun. 12.333 UT: m1=9.9, Dia.=6', DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 11.4181 UT: m1=10.5, Dia.=6´, DC=3, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Jun. 11.08 UT: m1=10.3, Dia.=4', DC=4, no cola; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2010 Jun. 09.35 UT: m1=9.9, Dia.=3', DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 08.35 UT: m1=10.0, Dia.=3', DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 08.07 UT: m1=11.9 ccd, Dia.=2.3', DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jun. 07.36 UT: m1=10.1, Dia.=2', DC=2; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 06.187 UT: m1=10.3, Dia.=5', DC=2/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Maio 23.333 UT: m1=10.9, Dia.=4', DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 23.11 UT: m1=11.4, Dia.=1.5', DC=2, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Maio 22.333 UT: m1=11.1, Dia.=3', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 17.11 UT: m1=11.8, Dia.=1.5', DC=3; 20cm SCT (160x); Juan José González (Cueto Rosales - Riello, alt. 1420 m., León, España)
2010 Maio 14.312 UT: m1=12.4:, Dia.=1.5', DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [cometa entre 2 estrelas de m1= 5.98 e 6.81]
2010 May. 13.76 UT: m1=10.5, Dia.=7.7’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and diffuse, even brightness, no central condensation with direct vision, hint of broad central condensation using averted vision. Comp Star= TYC 5777-891-1; Method= S; Cat= TJ]
2010 May. 11.79 UT: m1=12.2, Dia.=3’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse. Comp Star= GSC-5776-0341; Method= S; Cat= HS]
2010 May. 10.74 UT: m1=13.3, Dia.=0.7’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, faint and diffuse, averted vision. Comp Star= GSC-5776-0171; Method= S; Cat= HS]
2010 Apr. 23.65 UT: m1=13.8, Dia.=0.7’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma faint and diffuse, even brightness, no tail, averted vision. Comp Star= GSC-5745-0018; Method= S; Cat= HS]
2010 Apr. 22.74 UT: m1=14.4, Dia.=0.5’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small and diffuse, visible using averted vision. Comp Star= GSC-5749-0219; Method= S; Cat= HS]

2P/Encke
2010 Sep. 13.92 UT: m1=10.5, Dia.=2', DC=3; 27cm L f:5 (46x); José G. de Souza Aguiar; (campinas, Brasil)
2010 Sep. 10.92 UT: m1=11.0:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 10.41 UT: m1=10.6, Dia.=3.2'; 18cm L + CCD; Artyom Novichonok (remotely Moorook, S. Australia)
2010 Sep. 09.92 UT: m1=11.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 08.94 UT: m1=10.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Set. 07.937 UT: m1=10.2, Dia.=2.5', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Sep. 06.36 UT: m1=11.0, Dia.= 4.2’, DC= 2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma more diffuse in central condensation. Comp Star= TYC 6124-93-1; Method= S; Cat= TJ]
2010 Sep. 05.91 UT: m1=9.5, Dia.= 3', DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 04.93 UT: m1=9.6, Dia.=2', DC=2; 20Cm SCT (63x); Willian Souza (Sao Paulo, Brazil)
2010 Sep. 02.36 UT: m1=9.9, Dia.= 4.2’, DC= 3/4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears elongated to SE, no tail, fading twilight. Comp Star= TYC 5542-426-1; Method= S; Cat= TJ]
2010 Set. 01.937 UT: m1=9.8, Dia.=3', DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Ago. 29.930 UT: m1=9.4 Dia.=4', DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico, altitude do cometa= 20° e próximo a estrela de m1: 8.27; melhora da imagem com o uso de filtro de cometa]
2010 Aug. 28.92UT: m1=9.2, Dia.=3', DC=4; 20x60 B; Willian Souza (Monteiro Lobato, Brazil) [comet altitude ~18deg.]
2010 Aug. 27.93 UT: m1=9.0, Dia.=2', DC=3; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Ago. 27.927 UT: m1=9.3 Dia.=4', DC=3/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico, altitude do cometa= 17°]
2010 Aug. 26.93 UT: m1=8.8, Dia.=3', DC=3; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 24.93 UT: m1=8.8, Dia.=3', DC=3; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 23.93 UT: m1=8.7, Dia.=3', DC=2/; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 21.93 UT: m1=8.7, Dia.=2', DC=2/; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 21.35 UT: m1=8.8, Dia.=2.9', DC=4/5; 25cm L (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, moonlight/twilight affected, 6 degrees above horizon. Comp Star= TYC 4933-146-1; Method= S; Cat= TJ]
2010 Aug. 20.93 UT: m1=8.6, Dia.=2', DC=2/; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 20.35 UT: m1=9.0, Dia.=1.5', DC=5; 25cm L (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma slightly elongated to SW, no tail, moonlight/twilight affected, 6 degrees above local horizon, coma enhances well with Swan Band filter making the central condensation appear tighter but still not quite stellar. Comp Star= TYC 4923-981-1; Method= S; Cat= TJ]
2010 Aug. 19.93 UT: m1=8.5, Dia.=3', DC=2/; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 19.89 UT: m1=8.8, Dia.=2', DC=2; 20cm SCT (63x); Willian Souza (Sao Paulo, Brazil) [comet altitude ~12deg.]
2010 Aug. 18.93 UT: m1=8.4, Dia.=3', DC=3; 25x100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 18.36 UT: m1=8.4, Dia.= 3', DC= 5/6; 25cm L (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse with gradual concentration to centre, not quite stellar central condensation,coma appears very slightly elongated to SW. Enhances well with Swan band filter, 5 degrees above local horizon at time of observation, moonlight affected. Comp Star= TYC 263-668-1; Method= S; Cat= TJ]
2010 Aug. 16.90 UT: m1=[8.1; 20x80 B; Alexandre Amorim (Florianopolis, Brazil) [field altitude: 10 degrees]