Mewlon-300CRS with Reducer F7.2@fl.2160mm Bitran BJ-53L Starlight Xpress OAG
Filter AstroDon Tru-Balance E-Series L210min. R15min.+Ha15min. G15min. B15min. LRGB 03/22-23/2018(JST)
StellaImage8, MaxIm DL6.08,PixInsight1.8 & PhotoshopCC
M90 (NGC4569)12h 36m 49.8s +13K09' 46"@