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知海

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發表於 7 天前 | 顯示全部樓層 |閱讀模式
知海, 1964 7號太空探測器給名, 直徑 350 km.
Mare Cognitum, 2019/11/07 HKT: 22h51m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam, frame size 1280 x 960px, Shoot at Gain=40, Expo= 0.56 ms/frame, Gamma=112, frame rate=33-106frames/sec, avi format, stack and process 25% best in 2590 frames, with SoftwareAutoStakkert 3 , wavelet with RegiStax V.6, final touch by Microsoft Photo,Atmospheric condition : Transparent : 8/10, Seeing : 7/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town 堅尼地城, Hong Kong.

Sea of Cognitum 2019 11 07.jpg
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