C/2007 W1 (Boattini) Date (UT) m1 Dia DC Tail Inst Observer 2008 May 05.86 6.7: 10 3 - 7.0B Javor Kac May 05.85 6.5 24 3 - 5.0B Jure Atanackov Apr 27.85 7.3 11 3 - 7.0B Jure Atanackov