濕海

C.L.Chan

濕海 這裡的太陽剛升起, 晨光稀微, 它的直徑約400km, 是個典玄武岩舖滿的大隕坑, 坑內平原的東部出現很多明顯皺摺紋, 坑外東南部則見3條相似排列的地殼裂開的地塹.
Mare Humorum, 2019/10/10 HKT: 21h18m, 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, frame size 1280 x 960px, Shoot at Gain=45, Expo= 0.5ms/frame, Gamma=112, frame rate=33-106 frames/sec, avi format, stack and process 25% best frames in 4090 frames,­ with Software AutoStakkert 3 , wavelet with RegiStax V.6 , final tough by Microsoft Photo,  Atmospheric condition : Transparent : 7/10, Seeing : 7/10. Equipment borrowed from Mr. Ng. Photo taken at Kennedy Town 堅尼地城, Hong Kong.