C/2011 C1 (McNaught)
2011 May. 01.79 UT: m1=9.3, Dia.=3.5’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma has diffuse edges with slight brightening of central condensation, no tail. Comp Star= TYC 1162-32-1; Method= S; Cat= TJ]
2011 Apr. 30.78 UT: m1=9.1, Dia.= 4’, DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and almost evenly diffuse with slight tightening of central condensation, no tail. Comp Star= TYC 1161-1575-1; Method= S; Cat= TJ]
2011 Apr. 30.35 UT: m1=9.5, Dia.=2', DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Apr. 28.34 UT: m1 = 9.3, Dia = 3 ', DC = 4; 18cm L (57x), Alexandre Amorim (Florianopolis, Brazil) 2011 Apr. 27.34
UT: m1 = 9.4, Dia = 2', DC = 5; 20x80 B ; Alexandre Amorim (Florianopolis, Brazil) 2011 Apr. 26.34
UT: m1 = 9.3, Dia = 2.5 ', DC = 6; 20x80 B; Alexandre Amorim (Florianopolis, Brazil) 2011 Apr. 24.88
UT: m1 = 8.8, Dia = 3.4 ', DC = 4; 21cm Cassagrain, M.-T. Hui, Mt Guizi, Wuchang, China) [twilight, moonlight and city lights; morning haze around the horizontal]
2011 Apr. 23.88 UT: m1 = 8.6, Dia = 4.7 ', DC = 5; 21cm Cassagrain, M. - T. Hui (Mt. Guizi, Wuchang, China) [twilight, moonlight and city lights; slight haze]
2011 Apr. 18.87 UT: m1 = 8.8, Dia .= 4 ', DC = 3; 21cm Cassagrain; Man-To Hui (Mt. Guizi, Wuchang, China) [twilight; strong Interference moonlight, city lights]
2011 Apr. 14.35 UT: m1 = 9.4, Dia .= 3 ', DC = 6, 20x80 B, Alexandre Amorim (Florianopolis, Brazil) 2011 Apr
. 13.17 UT: m1 = 8.6, Dia .= 6 ', DC = 3 /; 25x100 B, Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [In 20 cm SCT (77x): Cola: 0.3 º 280 º AP]
2011 Apr. 12.75 UT: m1 = 9.5, Dia .= 4, DC = 3; 25x100 B, David AJ Seargent (The Entrance, NSW, Australia) 2011 Apr
. 12,344 UT: m1 = 9.3, Dia .= 5 ', DC = 3; 20x100 B, Marco Goiato (Araçatuba, Brasil) [Nuvens]
Apr. 2011 11:33 UT: m1 = 9.5, Dia = 2 ', DC = 4; 18cm L (57x), Alexandre Amorim (Florianopolis, Brazil) 2011 Apr. 08.77
UT: m1 = 9.7, Dia = 6; 25x100 B, David AJ Seargent (The Entrance, NSW, Australia) [enhanced through Comet Swan Band filter]
2011 Apr. 08 458 UT: m1 = 9.0, Dia = 8 ', DC = 5, Cola: the visible, 25cm Reflector (48x), Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Apr. 08 344 UT: m1 = 9.3, Dia = 5 ', DC = 3, 20x100B, Marco Goiato (Araçatuba, Brazil)
2011 Apr. 08 333 UT: m1 = 9.5, Dia = 4 ', DC = 4 /, L 22cm f: 6.5 (60x) Marco Goiato (Araçatuba, Brazil) [significant improvement with the use of filter comet]
Apr. 2011 08:32 UT: m1 = 9.5, Dia = 2 ', DC = 5; 18cm L (57x), Alexandre Amorim (Florianopolis, Brazil)
Apr. 2011 06:33 UT: m1 = 9.6, Dia = 2' DC = 5, 18cm L (57x), Alexandre Amorim (Florianopolis, Brazil)
Apr. 2011 05:19 UT: m1 = 8.7, Dia = 6 ', DC = 3, B 25x100, Juan José González (Alto del Castro - Aralla, alt. m. 1720, León, España) [En 20 cm SCT (77x): Cola: 0.2 º en 280 º AP]
Apr. 2011 05:33 UT: m1 = 9.6, Day 4 = 'DC = 3; 18cm L (57x), Alexandre Amorim (Florianopolis, Brazil)
Apr. 2011 04:33 UT: m1 = 9.5, Day 2 = 'DC = 5; 20x80 B; Alexandre Amorim (Florianopolis, Brazil)
Apr. 2011 03:33 UT: m1 = 9.5, Dia .= 3 ', DC = 4; 18cm L (57x), Alexandre Amorim (Florianopolis, Brazil) [32 degrees altitude]
2011 Apr. 02,464 UT: m1 = 9.5, Dia .= 6 ', DC = 4, Cola: not visible; 25cm Reflector (48x), Salvador Aguirre (Hermosillo, Sonora, Mexico) 2011 Apr
. 01.19 UT: m1 = 9.1, Dia .= 8 ', DC = 3, Tail: 0.2 º 260 º AP; 25x100 B, Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) 2011
Abr. 01.15 UT: m1 = 10.2, Dia .= 4 ', DC = 3, no tail; 23.5cm SCT (67x), Carlos Labordena (Castellón, Spain)
C/2010 X1 (Elenin) 2011 Apr
. 26.89 UT: m1 = 13.7, Dia .= 1.3 ', DC = 5, 20 cm SCT (100x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [The comet is shown clearly brighter than three weeks ago with a well-developed coma. Proven field stars in the DSS. Comparison star photometry G2681005 Henden field. Sky very clear mountain]
2011 Apr. 05.04 UT: m1 = 14.9, Dia .= 0.3 ', DC = 7, 20 cm SCT (133x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., Spain ) [Strongly condensed object, note from mountain location under very good seeing conditions. Nearby field stars checked in DSS. Motion checked over a 100-min period. Comparison stars taken from Henden photometry - G2681005 field]
C/2010 G2 (Hill) 2011 Apr
. 26.96 UT: m1 = 13.2, Dia .= 1.5 ', DC = 6, 20 cm SCT (133x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [Coma elongated. Proven field stars in the DSS. Comparison star photometry Z Henden Umi field.]
C/2009 P1 (Garradd)
2011 May. 01.78 UT: m1 = 11.0, Dia .= 2.5 ', DC = 5; 25cm L f: 5 (39x), Chris Wyatt (Walcha, NSW, Australia) [No tail, coma with diffuse central bright condensation, slight Interference by zodiacal light. Comp-3 Star = ASAS 225643-1000.3, Method = M; Cat = AU]
2011 Apr. 30.78 UT: m1=10.4, Dia.=3.8’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma larger than previous observations, diffuse with tight, small central condensation, no tail, coma enhances slightly with Swan band filter. Comp Star= TYC 5813-785-1; Method= M; Cat= TJ]
2011 Apr. 03.35 UT: m1=[11.0; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [altitude 23 degrees]
C/2009 F4 (McNaught)
2011 Apr. 30.56 UT: m1=13.3, Dia.= 1.2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, no tail, appears slightly elongated to NW, averted vision. Comp Star= ASAS-3 145624; Method = S, Cat = AU]
2011 Apr. 23.24 UT: m1 = 13.2 ccd, Dia .= 0.7 ', Tail = 2.6'; 15cm R + CCD; A. Novichonok & D. Chestnov (remotely Tzec Maun Observatory, Moorook, Australia)
(596) Scheila (P/1906 UA) 2011 Apr
. 05.01 UT: m1 = 13.8, Dia .= -, DC = 9, 20 cm SCT (100x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [star appearance. Comparison star photometry of the field Henden 3C232]
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)
29P/Schwassmann-Wachmann
2011 Apr 1. 27.02 UT: m1 = 11.3, Dia .= 4 ', DC = 2, 20 cm SCT (100x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [Comprehensive coma diffuse remnant previous outburst]
2011 Apr. 05.02 UT: m1 = 11.2, Dia .= 4 ', DC = 2 /, 20 cm SCT (100x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [Coma 4' with weak outer region from the previous outburst, including internal region of 1.5 'brighter, from the recent outburst]. 2011 Apr
. 01.88 UT: m1 = 12.8, Dia .= 2 ', DC = 3, no tail 23.5cm SCT (188x), Carlos Labordena (Castellón, Spain) 2011 Apr
. 01.15 UT: m1 = 11.2, Dia .= 5 ', DC = 2, 20 cm SCT (100x), Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, Spain) [Eat 5' with weak outer region from the previous outburst, including internal region of 1.5 'brighter, from the latest outburst. Sky very clear mountain]
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