* * * * * 300P/Catalina * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2014 5 28.76 S 13.3 TA 25.0L 83 1 2 WYA Walcha, NSW (Outer edges of coma diffused and tapering to a slightly brighter inner coma, weakly condensed. Visible in good seeing, interference from zodiacal light and glare from Venus. Low altitude = 16.4°.)
2005 8 5.76 S 10.5 TJ 40.0L 144 2.0 1 YOS Gunma, Japan (Nothing visible at first. But probably, an extremely diffused large object was visible at the position.) 2005 6 26.94 S 10.5 TK 20.3T 77 4 2 GON Alto del Castro - Aralla, León (Mountain location, clear sky. Altitude: 8 deg. Motion checked during a 30-min period. Coma enhanced through Swan band filter.) 2005 6 25.94 S 10.3 TK 20.3T 77 4 2 GON Alto del Castro - Aralla, León (Mountain location, clear sky. Observation made after the end of astronomical twilight. Altitude: 11 deg. Motion checked during a 20-min period. Coma must be undoubtedly greater, but very difficult to observe visually in low altitude.)