日落豐富海

C.L.Chan

日落豐富海, 還記得它有兩個梅西耳隕坑 (Crater Messier) 帶著一條向西的輻射紋嗎? Sea of Abundance. UT: 2020/11/02, 14h20m, Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, Shoot by FireCapture at Gamma=100, Gain=40, Expo= 0.28ms/frame, frame rate=20 frames/sec, RGB & avi format, stack and process 25% best frames in 1802 frames,­ with Software AstroStackert 3 with DSR, wavelet with RegiStax V.6, final touch by GIMP & Microsoft photo. Atmospheric condition: Transparent: 8­/10, Seeing: 7/10, Equipment borrowed from Mr. Ng. The photo was taken at Kennedy Town堅尼地城, Hong Kong