木星及衛星,2020/07/13

C.L.Chan

木星及衛星, Jupiter, UT 2020/07/13: 15h53m, 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, frame size 680x288 px, Shoot by FireCapture at Gamma=100, Gain=34, Expo= 1ms/frame, frame rate=86-101 frames/sec, RGB & avi format, stack and process 40% best frames in 8088 frames,¬ with Software AstroStackert 3 with DSR, wavelet with RegiStax V.6, final touch by Microsoft photo. Atmospheric condition: Transparent: 7¬/10, Seeing: 7/10, Equipment borrowed from Mr. Ng. The photo was taken at Kennedy Town堅尼地城, Hong Kong.