高加索山 的旭日
高加索山(下) 的旭日, 隕坑亞里士多德(大) 和歐多克蘇絲(次大), Mones Caucasus,Crater Aristoteles, & Eudoxus, UT: 2020/11/22, 10h07m,Telescope TEC Maksutov-Cassegrain MC200/20,D=20cm, F.L.=400cm, Losmandy G-11 Equatorial Mount with motor drive. Camera QHY5III 224 Color Cam,Shoot by FireCaptureat Gamma=100, Gain=41, Expo= 0.4ms/frame, frame rate=20 frames/sec, RGB &avi format, stack and process 25% best frames in 1801 frames, with SoftwareAstroStackert 3 with DSR, wavelet with RegiStax V.6,final touch by GIMP & Microsoft photo.Atmospheric condition: Transparent: 9/10, Seeing: 9/10, Equipment borrowedfrom Mr. Ng. The photo was taken at Kennedy Town堅尼地城, Hong Kong.
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