澄海東岸
澄海東岸, 這裡有月球大環形山之一的 Posidonius波希多尼, 特別的地方是它有兩個不同中心的環壁, 以及玄武岩漿舖平的盆地, 和生成了復雜的月溪. East Coast of Mare Serenitatis & CraterPosidonius, 2019/10/16 HKT: 22h28m, Telescope TEC Maksutov-Cassegrain MC200/20,D=20cm, F.L.= 400cm, Losmandy G-11 Equatorial Mount with motor drive. CameraQHY 5III 224 Color Cam, frame size 1280 x 960 px,Shoot at Gamma=112, Gain=4, Expo= 0.1ms/frame, frame rate=50-107 frames/sec,avi format, stack and process 34% best frames in 1405 frames, with SoftwareAutoStakkert 3 , wavelet with RegiStax V.6, final tough 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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