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三個坑由大至小

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發表於 2020-5-3 10:18:49 | 顯示全部樓層 |閱讀模式
克拉維(有5個由大至細的隕坑在其中), 馬吉尼(環壁嚴重受損), 弟谷三個坑由大至小向下排列.
Clavius, Maginus and Tycho, 2020 05 02 UT 12h28m,Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam, Capturewith FireCapture, Shoot at Gamma=100, Gain=19, Expo= 2ms/frame, frame rate 30frames/sec, avi format, stack and process 30% best frames in 1803 frames,­ withSoftware AutoStakkert 3 , wavelet with RegiStax V.6 ,  Final tough by Microsoft Photo software. Atmosphericcondition: Transparent: 9­/10, Seeing : 8/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town堅尼地城, Hong Kong.
Tycho 2020 05 02 UT 12h28m.jpg
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