* * * * * C/2005 K2 (LINEAR) * * * * *

Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2005  6 24.35   S  9.9 GA  25.4L  71   3   4            SEA  Cowra, NSW
(Comet at low elevation and seen through glow from Cowra township. Moderately enhanced with Swan Band filter.)
2005  6 17.91   S  9.2 TK  20.3T  77   3   3            GON  Caldas de Luna, León
(Elongated inner coma. Astronomical twilight. Moonlight interference.)
2005  6 14.963  S  9.5 TK  25.4J  58  1.8  2/           DIJ  Sint Annen
2005  6 14.962  S  9.1 TK  25.4J  58 & 3   3            BOU  Sint Annen
(Comet visible, despite low altitude, twilight and fine display of bright NLC, which stayed well below the
comet, fortunately. A somewhat condensed central region of about 1' was surrounded by a very faint outer coma
which could be observed to a diameter of some 3', but was undoubtedly (considerably) larger.
Fast southward motion was obvious after 10-15 minutes.)
2005  6 14.94   S  9.7 TK  40.7L  58  3.5  3            BIV  Ablis
2005  6 11.98   S  9.3 TK   5.0B   7   4   4            BIV  Ablis
2005  6 11.95   S  9.6 TK  40.7L  58   4   3            BIV  Ablis
2005  6 10.95   S  9.2:TK   5.0B   7   5   3            BIV  Ablis
2005  6 10.93   S  9.8 TK  40.7L  58   4   3            BIV  Ablis
2005  6  9.95   S  8.9 TK   8.0B  11   6   4            GON  Alto del Castro - Aralla, León
(The brightening trend continues.)
2005  6  9.94   S  9.1 TK  10.0B  25   6   4            GON  Alto del Castro - Aralla, León
2005  6  9.93   S  9.5 TK  20.3T  77  4.5  5            GON  Alto del Castro - Aralla, León
2005  6  9.08   S  9.8 TK  10.0B  25   4   3            GON  Alto del Castro - Aralla, León
(Possible outburst.)
2005  6  9.00   S  9.9 TK  25.6L  42  3.5  3            BIV  Ablis
2005  6  7.97   S 10.3 TK  40.7L  58  3.0  4            BIV  Ablis
(At 233x cent. cond. at m=13.8, comet much brighter than 4 days ago.)
2005  6  6.48   S 11.7 TJ  40.0L 144  1.6  3            YOS  Gunma, Japan
(I was surprised that the comet was very bright, large and easy to see. I had imagined the comet was extremely
diffuse because it looks diffuse on recent CCD images. But actually, it was not completely diffused.
It had weak condensation unexpectedly. It was moving fast.)
2005  6  6.10   S 11.6 TK  20.3T  77  2.5  2            GON  Alto del Castro - Aralla, León
2005  6  3.06   S 12.4 HS  40.7L 116  1.9  2            BIV  Ablis
2005  5 31.03   S 12.7 HS  40.7L 116  1.3  3            BIV  Ablis
2005  5 30.98   S 12.1 TK  20.3T 100  1.8  2            GON  Gamoniteiro - Sierra del Aramo, Asturias
(Mountain location, very clear sky. Motion checked during a 45-min period.)