* * * * * C/2011 UF305 (LINEAR) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2012 11 24.81 S 12.9 TA 40.0L 144 1.2 1/ YOS Kita-karuizawa, Gunma (It looks diffuse as before. It became faint, but it is visible visually still.) 2012 9 15.80 S 11.5 TA 40.0L 75 2.5 1/ YOS Kita-karuizawa, Gunma (Extremely diffuse with no central condensation. But large and bright.) 2012 8 22.16 S 10.3 TK 20.3T 100 3.5 3 GON Alto del Castro, León (Altitude: 13°. Mountain location, very clear sky.) 2012 8 9.92 S 10.0 TK 20.3T 77 4 3 GON Alto del Castro, León (Altitude: 12°. Mountain location, very clear sky.) 2012 7 25.926 S 11.7 TA 30.5T 73 1.6 3 BOU Burlage, Germany 2012 7 25.924 S 11.8 TA 30.5T 73 1.3 4 DIJ Burlage 2012 7 23.928 S 11.9 TA 30.5T 73 1.3 5 DIJ Burlage 2012 7 23.924 S 11.8 TA 30.5T 73 1.6 4 BOU Burlage, Germany 2012 7 23.86 M 11.9 TK 20.3L 63 1.5 3 GUZ Szklary 2012 7 22.94 S 10.3 TK 20.3T 77 4.5 3 GON Alto del Castro, León (Better observing conditions from a higher mountain location allowed a brighter estimate than six days ago: wide coma with faint outer region.) 2012 7 16.96 S 10.7 TK 20.3T 100 5 3/ GON Pandorado, León (Elongated coma.) 2012 7 12.97 S 10.7 TK 20.3T 100 4.5 3/ GON Pandorado, León 2012 6 22.89 S 11.7 UD 25.4L 60 3.0 5 IVA Melovoe 2012 6 14.03 S 10.9 TK 20.3T 77 2.5 3 GON Alto del Castro, León 2012 5 26.963 M 12.6 AQ 30.5T 95 1.1 6 BOU Burlage, Germany 2012 5 26.960 S 12.6 AQ 30.5T 95 1.2 6 DIJ Burlage 2012 5 24.949 M 12.8 AQ 30.5T 95 0.8 7 BOU Burlage, Germany 2012 5 24.946 S 12.6 AQ 30.5T 95 0.7 6 DIJ Burlage 2012 5 18.91 S 12.0 UD 25.4L 60 1.2 5 IVA Melovoe 2012 5 16.970 S 13.0 TA 30.5T 95 1.0 5 DIJ Burlage 2012 5 16.969 M 13.0 TA 30.5T 95 0.9 6/ BOU Burlage, Germany 2012 5 14.92 S 11.2 TK 20.3T 100 3.0 3 GON Pandorado, León 2012 5 12.939 S 13.0 AQ 30.5T 95 0.8 5/ DIJ Burlage 2012 5 12.936 M 12.9 AQ 30.5T 95 0.6 7 BOU Burlage, Germany 2012 5 12.85 S 13.2 UD 25.4L 171 0.7 6 IVA Melovoe 2012 5 9.97 S 11.2 TK 20.3T 100 2.5 3 GON El Fito - Sierra del Sueve, Asturias 2012 4 15.998 S 13.7 AQ 30.5T 117 0.5 7 DIJ Burlage 2012 4 15.994 M 13.8 AQ 30.5T 117 0.5 7 BOU Burlage, Germany (Strongly condensed object with small, faint coma. Motion obvious after 15m.) 2012 3 28.15 I 14.2 HN 20.3T 200 0.3 7 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near SS Cyg. Motion checked over a 20-min period. Mountain location, very clear sky.)