黑白分明
黑白分明, Crater Marius (black) & Crater Kepler (white), 2019/10/10 HKT: 21h22m, 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 960 px, Shoot at Gain=48, Expo= 0.5ms/frame, Gamma=112, frame rate=30-107 frames/sec, avi format, stack and process 56% best frames in 3557 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.
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