C.L.Chan 發表於 2021-4-24 10:33:40

中央灣.

這裡是月球向著地球一面的正中央, 名為中央灣. 標有一個羅馬十字( X) 以記之. 其北有一圓形隕坑叫波德, 就是發現行星排列方程式(波德率) 的天文學家.Bay of Center with Roman X. Bode Crater. UT 202104 21, 14h23m, Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm,Losmandy G-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam,Capture with FireCapture, Shoot at Gamma=100, Gain=37 Expo= 0.413 ms/frame, aviformat, stack and process 75% best frames in 1804 frames by free SoftwareAutoStakkert 3, wavelet with RegiStax V.6, Final touch by Microsoft Photosoftware. Atmospheric condition: Transparent: 9/10, Seeing: 8/10. Equipment borrowedfrom Mr. Ng. The photo was taken at Kennedy Town 堅尼地城, Hong Kong.
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