Crater Menelous的輻射紋
在澄海南岸的 CraterMenelous也有長長的輻射紋. UT: 2020/10/31, 16h25m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam,Shoot by FireCapture at Gamma=100, Gain=28,Expo= 0.16ms/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: 7/10,Seeing: 6/10, Equipment borrowed from Mr. Ng. The photo was taken at KennedyTown堅尼地城, Hong Kong.
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