jueves, 18 de agosto de 2011

Ultimas Observaciones Visuales de Cometas

C/2010 X1 (Elenin)
2011 Aug. 17.39 UT: m1=8.2, Dia.=4', DC=4; 25x100 B, Michael Mattiazzo (Castlemaine, Victoria, Australia) [Tycho 2 VT comparison stars. 17 degrees altitude. Zodiacal light interference]
2011 Ago. 16.937 UT: m1=8.9, Dia.=4', DC=4; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2011 Aug. 16.91 UT: m1=8.3, Dia.=4', DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 16.91 UT: m1=8.3, Dia.=3´,DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Aug. 13.90 UT: m1=8.3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 12.90 UT: m1=8.4, Dia.=3', DC=4/; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2011 Aug. 07.91 UT: m1=8.8, Dia.=3', DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and light pollution]
2011 Aug. 06.92 UT: m1=9.2; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 05.92 UT: m1=9.2, Dia=3', DC=6; 6cm R (36x); Alexandre Amorim (Florianopolis,Brazil) [moonlight interference]
2011 Aug. 05.92 UT: m1=9.2, Dia.=3´,DC=6; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Aug. 04.92 UT: m1=9.3, Dia.=3', DC=3; 7cm R (35x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2011 Aug. 03.91 UT: m1=9.7, Dia.=3', DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2011 Aug. 03.40 UT: m1=9.3, Dia.=3', DC=4; 25x100 B; Michael Mattiazzo (Castlemaine, Victoria) [Tycho 2 VT comparison stars. Moonlight 17%and located 7 degrees from comet]
2011 Jul. 30.40 UT: m1=9.5, Dia.=4', DC=4; 25x100 B; Michael Mattiazzo (Castlemaine, Victoria) [good conditions. Coma is moderately condensed and slightly enhanced by a swan band comet filter. Zodiacal light interference]
2011 Jul. 30.19 UT: m1=8.2, Dia.=8', DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Jul. 29.22 UT: m1=8.2, Dia.=7', DC=4/; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Jul. 28.40 UT: m1=10.0, Dia.=3', DC=3; 20cm L (45x); Michael Mattiazzo (Castlemaine, Victoria) [Tycho 2 VT comparison stars. Comet altitude 18 degrees. Hazy conditions]
2011 Jul. 26.91 UT: m1=10.3:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [light pollution]
2011 July 25.40 UT: m1=10.2, Dia.=3', DC=4; 20cm L (45x); Michael Mattiazzo (Castlemaine, Victoria, Australia) [The coma is enhanced by a swan band comet filter]
2011 Jul. 24.937 UT: m1=10.4, Dia.=2.5', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Jul. 22.91 UT: m1=10.3, Dia=2', DC=1/; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Jul. 21.937 UT: m1=10.5, Dia.=2', DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Jul. 21.42 UT: m1=10.5, Dia.=3', DC=4; 20cm L (45x); Michael Mattiazzo (Castlemaine, Victoria, Australia) [Tycho 2 VT comparison stars. Comet altitude 20 degrees. The comet appears as a small circular haze, enhanced by a swan band comet filter]
2011 Jul. 20.38 UT: m1=9.9, Dia.=4´; 25cm reflector (71x): David A. J. Seargent (Cowra, NSW, Australia)
2011 Jul. 20.38 UT: m1=9.9, Dia.=4´: 25x100 B; David A. J. Seargent (Cowra, NSW, Australia) [Comet close to field star, but easily visible in both instruments]
2011 Jul. 18.38 UT: m1=10.0, Dia.=4´; 25cm reflector (71x); David A. J. Seargent (Cowra, NSW, Australia) [Little if any change through Swan Band filter. Possibly a little smaller and marginally brighter at centre through filter]

C/2010 S1 (LINEAR)
2011 Ago. 04.03 UT: m1=13.5, Dia.=0.8', DC=5; 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 Henden cerca de Z UMi. Cielo muy claro de montaña]

C/2010 G2 (Hill)
2011 Ago. 08.15 UT: m1=10.0, Dia.=4', DC=2/; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Jul. 31.93 UT: m1=10.1, Dia.=6', DC=2/, Cola: 0.2º en AP 20º; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Jul. 30.92 UT: m1=11.0, Dia.=3.5', DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Jul. 27.92 UT: m1=10.4, Dia.=4.5', DC=2/, Tail: 0.2 deg. in PA 20 deg.; 20cm SCT (77x); Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España)
2011 Jul. 22.92 UT: m1=10.4, Dia.=4', DC=2/; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España) [Más brillante que lo esperado. Coma de 4' con débil región externa]

C/2009 Y1 (Catalina)
2011 Aug. 09.78 UT: m1=13.6:, Dia.=0.6', DC=6; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Jul. 31.12 UT: m1=14.8, Dia.=0.5', DC=1; 51cm L5 (121x); José Carvajal (Madrid, España) [Método: S, Cat: NP]

C/2009 P1 (Garradd)
2011 Aug. 17.55 UT: m1=7.5, Dia.=8'.9, DC=6; 20.0-cm reflector; M.-T. Hui (Canton, China) [city lights, thin clouds]
2011 Aug. 17.04 UT: m1=7.8, Dia.=5', DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Aug. 16.96 UT: m1=7.7; 7cm R (28x); Alexandre Amorim (Florianopolis, Brazil)
2011 Ago. 16.958 UT: m1=7.9, Dia.=8', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2011 Aug. 16.06 UT: m1=7.8:; 20x80 B; Willian Souza (Sao Paulo, Brazil) [Moonlight interference]
2011 Aug. 14.10 UT: m1=7.6, Dia.=5', DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil) [Moonlight interference]
2011 Aug. 13.10 UT: m1=7.6, Dia.=6', DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil) [Moonlight interference]
2011 Aug. 12.96 UT: m1=8.1, Dia.=3', DC=6; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2011 Aug. 09.73 UT: m1=8.5, Dia.=4.2', DC=7/; 40cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2011 Aug. 08.25 UT: m1=7.7, Dia.=5', DC=5/; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Ago. 08.12 UT: m1=7.7, Dia.=10', DC=5/; 10x50 B; Juan José González (Pandorado, alt. 1190 m., León, España) [En 20 cm SCT (77x): m1=8.1, cola en abanico entre AP 150º y 200º, 0.4º en AP 170º]
2011 Ago. 08.135 UT: m1=7.8, Dia.=8', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil) [Luar]
2011 Ago. 08.146 UT: m1=7.6, Dia.=10', DC=4; 7x50 B; Marco Goiato (Araçatuba, Brasil) [Luar]
2011 Aug. 08.04 UT: m1=8.1, Dia.=4', DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 07.17 UT: m1=7.8, Dia.=7', DC=5; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Aug. 07.06 UT: m1=7.7, Dia.=4', DC=6; 10x50 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 06.99 UT: m1=7.6, Dia=10', DC=4; 7x50 B; Toni Scarmato (Calabria, Italy)
2011 Aug. 06.12 UT: m1=7.8, Dia.=7', DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Aug. 06.03 UT: m1=7.7, Dia.=4', DC=6; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 06.01 UT: m1=7.5, Dia=10', DC=4; 7x50 B; Toni Scarmato (Calabria, Italy)
2011 Aug. 05.10 UT: m1=7.8, Dia.=5', DC=6; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 05.08 UT: m1=8.0, Dia.=7', DC=4; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Ago. 04.14 UT: m1=7.9, Dia.=8', DC=5/; 10x50 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20 cm SCT (77x): m1=8.3, cola en abanico entre AP 160º y 200º, 0.4º en AP 180º]
2011 Ago. 04.125 UT: m1=8.1, Dia.=8', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2011 Aug. 04.03 UT: m1=7.7, Dia.=5', DC=6; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 03.53 UT: m1=8.3, Dia.=5', DC=6; 25x100 B; Michael Mattiazzo (Castlemaine, Victoria) [Tycho 2 VT comparison stars. Short tail directed in PA180. M15 in same field of view]
2011 Aug. 03.10 UT: m1=8.0, Dia.=7', DC=5; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Ago. 03.08 UT: m1=8.3, Dia.=9', DC=6, Cola=12'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2011 Ago. 03.07 UT: m1=8.0, Dia.=8', DC=5, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2011 Aug. 03.07 UT: m1=8.0, Dia.=5', DC=5/; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 02.81 UT: m1=7.9, Dia.=6.8', DC=5/; 20cm reflector ; M.-T. Hui (Canton, China) [city lights]
2011 Aug. 02.02 UT: m1=7.8, Dia=10', DC=4; 7x50 B; Toni Scarmato (Calabria, Italy)
2011 Aug. 01.81 UT: m1=8.0, Dia.=6.9´, DC=6; 20.0cm L (30x); M.-T. Hui (Canton, China) [southward broad fan tail; city lights; smog]
2011 Ago. 01.00 UT: m1=8.1, Dia.=10', DC=5/; 10x50 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20cm SCT (77x): m1=8.4, cola en abanico entre AP 160º y 210º, 0.4º en AP 190º]
2011 Jul. 31.13 UT: m1=8.1, Dia.=8.5', DC=5; 7x10 B; José Carvajal (Madrid, España) [Método: M, Cat: TI]
2011 Jul. 30.97 UT: m1=8.3, Dia.=8', DC=6, Cola=10'; 23.5cm SCT (67x); Carlos Labordena (Castellón, España
2011 Jul. 30.96 UT: m1=8.1, Dia.=7', DC=5, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2011 Jul. 30.92 UT: m1=8.5, Dia.=4', DC=4; 11cm reflector (32x); Vyacheslav Ivanov (Saratov, Russia)
2011 Jul. 30.271 UT: m1=8.2, Dia.=7', DC=4/; 20x100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2011 Jul. 29.92 UT: m1=8.5, Dia.=4', DC=4; 11cm reflector (32x); Vyacheslav Ivanov (Saratov, Russia)
2011 Jul. 29.01 UT: m1=8.1, Dia.=9', DC=4; 7x10 B; José Carvajal (Madrid, España) [Método: M, Cat: TI]
2011 Jul. 28.92 UT: m1=8.1, Dia.=6', DC=5; 13cm reflector (65x); Danil Sidorko (Korenovsk, Russia)
2011 Jul. 28.23 UT: m1=8.2, Dia.=5', DC=5; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Jul. 28.01 UT: m1=8.3, Dia.=8', DC=4; 7x10 B; José Carvajal (Madrid, España) [Método: M, Cat: TI]
2011 Jul. 27.98 UT: m1=8.1, Dia.=9', DC=5/; 10x50 B; Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En 20cm SCT (77x): m1=8.5, cola en abanico entre AP 160º y 210º, 0.2º en AP 200º]
2011 Jul. 27.91 UT: m1=8.2, Dia.=7', DC=4; 25cm reflector (60x); Vyacheslav Ivanov (Saratov, Russia)
2011 Jul. 27.91 UT: m1=8.0, Dia.=10', DC=4; 5cm refractor (60x); Vyacheslav Ivanov (Saratov, Russia)
2011 Jul. 27.79 UT: m1=8.2, Dia.=8.0´, DC=6; 20.0cm L (30x); M.-T. Hui (Canton, China) [southward broad fan tail; city lights]
2011 Jul. 27.30 UT: m1=8.2, Dia.=5', DC=5; 20x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Jul. 27.09 UT: m1=8.2, Dia.=5', DC=5/; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2011 Jul. 26.79 UT: m1=8.3, Dia.=9.4´, DC=5/; 20.0cm L (30x); M.-T. Hui (Canton, China) [southward broad fan tail; city lights]
2011 Jul. 26.30 UT: m1=8.3, Dia.=5', DC=6; 11x80 B; Willian Souza (Sao Paulo, Brazil)
2011 Jul. 26.14 UT: m1=8.4, Dia.=5', DC=5; 20x60 B; Willian Souza (Sao Paulo, Brazil)
2011 Jul. 26.13 UT: m1=8.1, Dia.=8', DC=4; 7x10 B; José Carvajal (Madrid, España) [Método: M, Cat: TI]
2011 Jul. 26.125 UT: m1=8.2, Dia.=7', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil) [nuvens]
2011 Jul. 26.104 UT: m1=8.3, Dia.=7', DC=5; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2011 Jul. 24.81 UT: m1=8.3, Dia.=6'.5, DC=5/; 20.0cm L (30x); M.-T. Hui (Canton, China) [moonlight, city lights, smog]
2011 Jul. 24.167 UT: m1=8.4, Dia.=6', DC=4/; 20x100 B; Marco Goiato (Araçatuba, Brasil)
2011 Jul. 23.97 UT: m1=8.4, Dia.=7', DC=5, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2011 Jul. 23.83 UT: m1=8.4, Dia.=8'.1, DC=5; 20.0cm L (30x); M.-T. Hui (Canton, China) [southward broad fan tail, moonlight, city lights]
2011 Jul. 23.208 UT: m1=8.5, Dia.=6', DC=4/; 20x100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2011 Jul. 23.08 UT: m1=8.4, Dia=5', DC=6/; 10x50 B; Alexandre Amorim (Florianopolis, Brazil)
2011 Jul. 22.95 UT: m1=8.2, Dia.=8', DC=5/; 25x100 B; Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Jul. 22.91 UT: m1=8.7, Dia.=2', DC=4; 20x50 B; Alfons Diepvens (Balen, Belgium)
2011 Jul. 22.83 UT: m1=8.4, Dia.=7.1', DC=6; 20cm L (30x); M.-T. Hui (Canton, China) [moonlight; city lights; heavy dew]
2011 Jul. 21.95 UT: m1=8.9, Dia.=6', DC=5, Cola= 7'; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2011 Jul. 21.94 UT: m1=8.7, Dia.=6', DC=4, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2011 Jul. 12.12 UT: m1=9.1, Dia.=5', DC=5, Cola=5'; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2011 Jul. 12.11 UT: m1=8.9, Dia.=6', DC=4, no cola; 11x80 B; Carlos Labordena (Castellón, España)
2011 Jul. 07.59 UT: m1=8.8, Dia.=4´; 25x100 B; David A. J. Seargent (Cowra, NSW, Australia)
2011 Jul. 17.14 UT: m1=8.6, Dia.=3', DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2011 Jul. 14.84 UT: m1=8.5, Dia.=6', DC=5; 20cm L (30x); M.-T. Hui (Canton, China) [Ci clouds; strong moonlight; city lights]

C/2006 S3 (LINEAR)
2011 Jul. 30.95 UT: m1=12.9, Dia.=0.75', DC=2; 51cm L5 (121x); José Carvajal (Madrid, España) [Método: S, Cat: NP]

213P/ Van Ness
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. 28.11 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]

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]

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 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. 03.52 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. 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. 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)]
2011 Jul. 31.02 UT: m1=13.1, Dia.=0.7', DC=2; 51cm L5 (121x); José Carvajal (Madrid, España) [Método: S, Cat: NP]

domingo, 14 de agosto de 2011

Video del Honda-Mrkos-Pajdusakova



Este video muestra en movimiento el cometa 45P en la constelación de Hydrus. Estas son 30 imágenes de 5 segundos cada 10 segundos tomados el telescopio de 46 cm del Observatorio Los Molinos (844) y una cámara Fly. Raul Salvo, OALM (844), Montevideo, Uruguay.