02/15/2002　23:29　Takahashi BRC-250　Bitran BJ-31LCCD camera
　L10min.x26　R5min.x5(2x2)　G5minx3(2x2)　B5minx3(2x2)
Tokai TYPEIII RGB filter　　LPS-P1 filter　StellaImage3　LRGB Photoshop6.0

NGC5194 (M51 Whirlpool Galaxy in Canes Venatici)　
13h29m53.2s +47 11 09 Mag(V)8.4 Dim11.2'x6.9' SB12.9 SA(s)bc pec I-II