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錄影木星時, 停用 Gamma

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發表於 6 天前 | 顯示全部樓層 |閱讀模式
Dr. Wong建議我在錄影木星時, 停用 Gamma, 昨晚在我的儀器系統中試試, 畢竟用的是中形鏡. 看看是否用得上?初步在瑩幕上看來, 無 Gamma木紋的顏色淺些. 下面是比較.
Left Jupiter, UT:2021/09/10, 14h28m Telescope TEC Maksutov-Cassegrain MC200/20, Camera QHY 5III224 Color Cam, Shoot at Gamma=off, Gain=20, Expo= 6 ms/frame, frame rate=87frames/sec, SER format, stack, debayer and process 40% best frames in 2 minframes, Double Reference, drizzle 1.5x, alignment points ~667 at16, withSoftware AutoStakkert 3,  wavelet withRegiStax V.6, linear & default, iL=1 & si= 1, L=40,80,20, Atmosphericcondition: Transparent: 7/10, Seeing: 8/10.
Left Jupiter, UT: 2021/09/10,14h25m Telescope TEC Maksutov-Cassegrain MC200/20, Camera QHY 5III 224 ColorCam, Shoot at Gamma=106, Gain=20, Expo= 6 ms/frame, frame rate=86 frames/sec,SER format, stack, debayer and process 30% best frames in 2 min frames, DoubleReference, drizzle 1.5x, alignment points ~667 at16, with Software AutoStakkert3,  wavelet with RegiStax V.6, linear& default, iL=1 & si= 1, L=40,80,20, Atmospheric condition:Transparent: 7/10, Seeing: 8/10.
Gamma comparetion.jpg
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