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艾奧的影子投在木星上

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發表於 2018-4-10 10:37:34 | 顯示全部樓層 |閱讀模式
木星 , 衛星艾奧的影子投在木星上
Jupiter, with shadow of Io , apparent radius 21.7sec,  2018/04/10 HKT:04h00m,
Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Prime Focus, Losmandy G-11Equatorial Mount with motor drive. Camera ASI 120MC CMOS Web Cam, frame size640x480, Shoot at Gamma=50, Gain=56, Expo=10ms, 40 frames/sec, stack andprocess  237/1422 frames with SoftwareRegiStax V.5, Lowest quality = 95%. get 90% Improvement.  Color enhancement by Microsoft Photo.  Atmospheric transparent : 7/10, Seeing : 7/10. Equipment borrowed from Mr.Ng. Takenat Kennedy Town  堅尼地城, Hong Kong.

Jupiter 2018 04 19 Rg237 Ms.jpg
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