NGC4631 in Canes Venatici
Magnitude 9.3 Size 15.1''


L;10min~63(2010/2/19,20 3/9,21) R;10min~10 B;10min~8(2~2binning)(2010/2/6)
21‚ƒ‚ f6.0 Newtonian ST7XME

(―ƒiƒr2010”N7ŒŽ†)