危海朝陽
本帖最後由 C.L.Chan 於 2020-11-20 21:25 編輯危海朝陽, Sunrise at Sea of Danger. UT: 2020/11/19, 10h38m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 equatorial mount with motor drive. Camera QHY 5III 224 Color Cam,Shoot by FireCapture at Gamma=100, Gain=45,Expo= 0.4ms/frame, frame rate=20 frames/sec, RGB & avi format, stack and process 50% best frames in 1803 frames, with Software AstroStackert 3 withDSR, wavelet with RegiStax V.6,final touch by GIMP & Microsoft photo. Atmospheric condition: Transparent: 8/10, Seeing: 8/10, Equipment borrowed from Mr. Ng. The photo was taken at KennedyTown堅尼地城, Hong Kong.
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