02/16/2002　22:45　Takahashi BRC-250　Bitran BJ-31L
　L10min.x13　R5min.x3(2x2)　G5minx2(2x2)　B5minx2(2x2)
Tokai TYPEIII LRGB filter　　LPS-P1 filter　StellaImage3　LRGB

NGC3587 (M97　"Owl Nebula" Planetary Nebula in Ursa Major)
11h14m47.8s +55 01 09 Diam.>170" Mag.(v)12.0 Mag(V)9.9 Mag Cent Star16.0