Mewlon-300CRS with Reducer F7.2　fl.2160mm Bitran BJ-53L Starlight Xpress OAG
Filter AstroDon Tru-Balance E-Series L20min. Ha 30min. R35min. G35min. B35min. LRGB 04/30/2017(JST)
StellaImage8, MaxIm DL6.08 & PhotoshopCC

NGC4244 Galaxy in Canes Venatici
12h17m29.6s +37 48 26 Mag(V)10.2 Dim16.2'x1'8 Sc