C/2009 R1 (McNaught]
2010 Jul. 04.87 UT: m1=[5.0; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Cometa no observado. Cielo muy claro de montaña. Altura sobre el horizonte: 6º]
C/2009 P1 (Garradd)
2010 Ago. 20.10 UT: m1=12.8, Dia.=0.7', DC=4; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m., León, España) [Cielo muy claro de montaña. Altura sobre el horizonte: 10º. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden, campo Neptuno-7 cerca de Upsilon Cap]
C/2009 K5 (McNaught)
2010 Ago. 20.17 UT: m1=10.8, Dia.=3', DC=3; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m., León, España)
2010 Ago. 08.10 UT: m1=10.8, Dia.=3', DC=4, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Aug. 07.75 UT: m1=11.4, Dia.=1.0', DC=4; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan) [It has faded, but still bright and visible visually]
2010 Ago. 06.91 UT: m1=10.2, Dia.=3', DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 12º]
2010 Ago. 03.90 UT: m1=10.3, Dia.=3.5', DC=4; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Altura: 14º]
2010 Jul. 18.03 UT: m1=9.4, Dia.=4', DC=4/; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2010 Jul. 04.96 UT: m1=9.1, Dia.=4', DC=5; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
C/2008 FK75 (Lemmon-Siding Spring)
2010 Aug. 24.82 UT: m1=15.0 ccd, Dia.=0.5', DC=3; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 07.53 UT: m1=[14.8; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan) [The sky is very clear and very faint background stars are visible. But unexpectedly, the comet is not visible, although it was reported as 14 mag with a fine shape recently by CCD observations]
2010 Aug. 07.96 UT: m1=14.7 ccd, Dia.=0.5', DC=3; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 29.81 UT: m1=15.2 ccd, Dia.=0.5', DC=3; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 28.82 UT: m1=15.0 ccd, Dia.=0.5', DC=3; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
C/2007 Q3 (Siding Spring)
2010 Aug. 04.37 UT: m1=14.3, Dia.=0.7’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, 5 degrees above northern horizon. Comp Star= GSC-3480-1314; Method= S; Cat= HS]
C/2006 W3 (Christensen)
2010 Ago. 07.021 UT: m1=12.6, Dia.=0.71', DC=4; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Aug. 04.38 UT: m1=11.5, Dia.=3’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-8348-0892; Method= S; Cat= HS]
103P/Hartley
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 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. 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]
81P/Wild 2
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. 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)
65P/Gunn
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. 18.13 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. 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]
10P/Tempel 2
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. 07.04 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. 18.12 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. 10.11 UT: m1=8.2, Dia.=8', DC=3/; 25x100 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2P/Encke
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]
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