Takahashi TOA-130 Flatner F7.7 Bitran BT-218ME
L10min.x18 R5min.x3 G5min.x3 B5min.x6 RGB(2x2)
IDAS LRVB filter LRGB
NGC4321 (M100 Galaxy in Virgo)
12h22m55.9s +15 49 12 Mag.(v)9.4 Dim7.4'x6.3' SB13.4 SAB(s)bc I