* * * * * 157P/Tritton * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2009 11 21.82 V 17.3 TK 46.0Y 0.2 QVA Borrevannet, Horten
2003 11 6.176 S 13.2 AC 31.0J 143 1.2 2 BOU Sint Annen 2003 10 25.144 S 12.8 AC 31.0J 109 1.6 3 BOU Sint Annen 2003 10 25.14 S 13.0:HS 20.3L 108 1 2 GUZ Krosno (Faint, diffuse object.) 2003 10 8.19 S 11.4 TK 20.3T 77 1.3 5 GON Carrocera, León 2003 10 8.175 M 12.0 HN 25.4J 72 1.3 5 DIJ Sint Annen 2003 10 8.170 M 11.8 HN 25.4J 72 1.3 6/ BOU Sint Annen (Strongly condensed central condensation in fairly faint and small coma. Comparison stars used from nearby Henden sequence of GY Cnc.)