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大山脈阿平寧

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發表於 7 天前 | 顯示全部樓層 |閱讀模式
左上方的大隕坑是阿基米德, 這是他水滿溢出的浴桶.右下的大山脈是阿平寧, 它們之間的平地叫病沼.
Crater Archimedes (upleft) and Montes Apenninus (right-hand side), UT 2020 07 28, 20h21m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam, Capture withFireCapture, Shoot at Gamma=100, Gain=40, Expo= 0.25ms/frame, avi format, stackand process 25% best frames in 1803 frames by free Software AutoStakkert 3,wavelet with RegiStax V.6, Final touch by Microsoft Photo software. Atmosphericcondition: Transparent: 7/10, Seeing : 8/10. Equipment borrowed from Mr. Ng.The photo was taken at Kennedy Town 堅尼地城, Hong Kong.
Archimedes 2020 0728 12h21m Ms.jpg
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