危海此邊
危海此邊的山區. North area of Sea of Danger. UT: 2020/11/02, 14h16m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 Equatorial Mountwith motor drive. Camera QHY 5III 224 Color Cam,Shoot by FireCapture at Gamma=100, Gain=40,Expo= 0.28ms/frame, frame rate=20 frames/sec, RGB & avi format, stack andprocess 30% best frames in 1802 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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