阿里士多德 & De Sitter 隕坑
阿里士多德隕坑(右下), 它上面是冷海, 都在月球的北邊. 還有個 De Sitter隕坑, 他是解開愛恩斯坦宇宙論場方程的荷蘭天文學家 , 指出宇宙人膨脹.Crater Aristoteles (below) and Mare Frigoris, 2019/10/05 HKT: 19h36m,Telescope TEC Maksutov-CassegrainMC200/20, D=20cm, F.L.= 400cm, Losmandy G-11 Equatorial Mount with motor drive.Camera QHY 5III 224 Color Cam, frame size 1328 x 992 px, Shoot at Gain=43,Expo= 0.78ms/frame, Gamma=112, frame rate=33-106 frames/sec, avi format, stackand process 25% best frames in 790 frames, with Software AstroStackert 3 ,wavelet with RegiStax V.6 , 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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