月球南部山區

C.L.Chan

月球南部山區, Southern Side of theMoon on age 8, UT: 2020/11/22, 10h23m, Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, LosmandyG-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam,  Shoot by FireCapture at Gamma=100, Gain=41,Expo= 0.4ms/frame, frame rate=20 frames/sec, RGB & avi format, stack andprocess 60% best frames in 1803 frames,­ with Software AstroStackert 3 withDSR, wavelet with RegiStax V.6,  finaltouch by GIMP & Microsoft photo. Atmospheric condition: Transparent: 9­/10,Seeing: 9/10, Equipment borrowed from Mr. Ng. The photo was taken at KennedyTown堅尼地城, Hong Kong.