Tycho and Clavius
月球南部山區, 最明亮是弟谷 , 最美麗是克拉維, 因它有 5個由大至小的隕坑, 呈弧形排列在其中.Tycho and Clavius, 2019/11/08 HKT: 19h45m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam, frame size 1280 x 960px, Shoot at Gain=40, Expo= 0.16 ms/frame, Gamma=112, frame rate=23 frames/sec,avi format, stack and process 37% best in 825 frames, with SoftwareAutoStakkert 3 , wavelet with RegiStax V.6, final touch by Microsoft Photo,Atmospheric condition : Transparent : 8/10, Seeing : 7/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town 堅尼地城, Hong Kong.
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