木星及衛星艾奧
木星及衛星艾奧 , 城市煙霾令透明度不大好 , 大風令大氣視寧度也不穩定 . 在疊相軟件及 Wavelet軟件的幫忙下 , 仍見一些細緻 .Jupiter and Satilite Io, 2019/08/07 HKT: 20h43m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, with 2x Powermate , E.F.L. =8 meters, Losmandy G-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, frame size 1136x448 px, Shoot at Gamma=100,Gain=50, Expo 2ms, 50-116 frames/sec, avi format, stack and process 80% bestframes in 12000 frames, with Software AstroStackert 3 , wavelet with RegiStaxV.6 , Atmospheric condition : Transparent : 7/10,Seeing : 7/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town堅尼地城, Hong Kong.
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