* * * * * C/2004 U1 (LINEAR) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2005 2 6.827 S[14.0 HN 31.0J 155 !0.7 BOU Lauwersoog 2005 2 5.48 S[12.9 HS 40.0L 144 !0.9 YOS Ibaraki, Japan (Because the limiting magnitude is bright, it is uncertain whether the comet fades out or not.) 2005 1 14.946 S 13.4 TA 31.0J 155 0.6 3/ DIJ Sint Annen 2005 1 14.941 S 13.5 TA 31.0J 155 0.7 3 BOU Sint Annen 2005 1 12.831 S 13.4 GA 31.0J 143 0.7 3 BOU Sint Annen 2005 1 8.53 S 13.4 UO 40.0L 144 0.9 4 YOS Ibaraki, Japan (Very faint.) 2005 1 2.863 S 13.2 TA 31.0J 143 0.8 1/ DIJ Langelo 2005 1 2.860 S 13.1 TA 31.0J 143 1.0 2/ BOU Langelo (Comet rather diffuse.) 2004 12 16.974 S 13.2 TA 31.0J 155 1.1 2/ DIJ Sint Annen 2004 12 16.971 S 13.4 TA 31.0J 155 0.7 3 BOU Sint Annen (Small, diffuse object.) 2004 12 13.04 S 13.1 HS 20.3T 133 0.6 3 GON Sierra del Aramo, Asturias (Mountain location, clear sky. Limiting stellar magnitude: 14.5. Comet in outburst. Motion checked during a 1-hour period.) 2004 12 12.94 S 13.3 HS 20.3L 95 0.8 4 BIV Haute Provence Obs. 2004 12 12.13 S 13.2 HS 20.3L 95 0.9 6 BIV Haute Provence Obs. 2004 12 11.59 S 13.4 HS 40.0L 144 0.9 3 YOS Gunma, Japan (Bright, in outburst.) 2004 12 9.23 S 13.3 HS 20.3T 160 0.7 3 GON Aralla, Leon (Mountain location, very clear sky. Limiting stellar magnitude: 15.5. Comet in outburst. Motion checked during a 3-hour period.)