* * * * * C/2011 Q4 (SWAN) * * * * *

Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2011 12  7.24   S 11.2 TK  20.3T 100   3   2            GON  Alto del Castro - Aralla, León
2011 11 24.84   S 13.2 TA  40.0L 257  0.8  2/           YOS  Kita-karuizawa, Gunma
(When I missed this comet in September, I gave up to see it. However, Hidetaka Sato reported it is 14.4 mag,
so I tried to observe it. It was located low, but I could see it with high magnification.)
2011  9 18.93   S 11.1 AU  22.0L 160  1.5  4            GOI  Araçatuba
2011  9 17.41   S 10.2 AA  25.4L  71                    SEA  Cowra, NSW
(Difficult at low altitude and Zodiacal Light due to low surface brightness of coma.
Enhanced somewhat through Swan Band Filter.)
2011  9 16.94   S 11.4:AU  22.0L 160   1   4            GOI  Araçatuba
2011  9 14.40   S  9.6 AA  10.0B  25   3   4            SEA  Cowra, NSW
(A little brighter through Swan Band Filter.)