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兩小時內火星因自轉呈現的地貌變化Landmark of Mars changes in two hours, UT2020/10/04: 15h22, 16h23mm & 17h25m, 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=31,Expo= 1ms/frame, frame rate=98 frames/sec, RGB & avi format, stack andprocess 50% best frames, with Software AstroStackert 3 with DSR, wavelet withRegiStax V.6, final touch by Microsoft photo. Atmospheric condition:Transparent: 7/10, Seeing: 7/10, Equipment borrowed from Mr. Ng. The photo wastaken at Kennedy Town堅尼地城, Hong Kong.
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發表於 2020-10-5 09:35:16