03/15/2001　21:58　Takahashi BRC-250　Bitran BJ-31LCCD camera
　L10min.x10　R5min.x2(2x2)　G5minx2(2x2)　B5minx2(2x2)
Tokai TYPEIII RGB filter　　LPS-P1 filter　StellaImage3　LRGB Photoshop6.0

NGC4321 (M100 Galaxy in Coma Berenices)　
12h22m55.9s +15 49 12 Mag(V)9.4 Dim7.4'x6.3' SB13.4 SAB(s)bc I