還有個著名光譜學家
這裡是月球南部山區, 里斯塔環形坑(1) Crater Rheita的旁邊就里斯塔峽谷(2) Villis Rheita, L=453km. 還有個著名光譜學家夫朗和費殞坑 Crater Fraunhofer (3).UT 2021 02 16, 12h05m,Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, Capture withFireCapture, Shoot at Gamma=100, Gain=40, Expo= 0.553 ms/frame, avi format,stack and process 40% best frames in 1803 frames by free Software AutoStakkert3, wavelet with RegiStax V.6, Final touch by Microsoft Photo software.Atmospheric condition: Transparent: 7/10, Seeing : 8/10. Equipment borrowedfrom Mr. Ng. The photo was taken at Kennedy Town 堅尼地城,Hong Kong.
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