汽海
左上方平坦成圓形的是汽海 , 是個玄武岩漿最黑的地方 , 這段2544格的錄像, 看清楚那個” 念” 字的特別地貌. 汽海向下面的延伸份 , 產生了得多裂溝 .Mare Vaporum on the Moon, 2019/09/07 HKT: 21h17m, 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 1326 x 1024 px, Shoot at Gamma=107, Gain=45, Expo= 0.18ms/frame, framerate=50-107 frames/sec, avi format, stack and process 70% best frames in 2544frames, with Software AstroStackert 3 , wavelet with RegiStax V.6 , Atmospheric condition : Transparent : 7/10,Seeing : 7/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town堅尼地城, Hong Kong.
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