在里伊塔月谷的西部
在里伊塔月谷的西部, 發育了更多幼且黑的月谷, Vallis Rheita UT: 2020/11/20, 11h38m, Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, LosmandyG-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam,Shoot by FireCapture at Gamma=100, Gain=42,Expo= 0.4ms/frame, frame rate=20 frames/sec, RGB & avi format, stack andprocess 50% best frames in 1803 frames, with Software AstroStackert 3 withDSR, wavelet with RegiStax V.6,finaltouch by GIMP & Microsoft photo. Atmospheric condition: Transparent: 8/10,Seeing: 7/10, Equipment borrowed from Mr. Ng. The photo was taken at KennedyTown堅尼地城, Hong Kong.
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