Jupiter and satellites 2021 08 26

C.L.Chan

昨晚, 被大多數天文同好譽為全年最佳視寧度之夜, “風不繼續吹” 時, 拍了3分鐘影片,拍到木星和她的三顆衛星, 由左至右: Io, Ganymedeand Europa.

Jupiter and satellites, UT: 2021/08/26, 14h44m, Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, Losmandy G-11Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, frame size 1048x303px, Shoot at Gamma=80, Gain=20, Expo= 5 ms/frame, frame rate=80 frames/sec, SERformat, stack, debayer and process 75% best frames in 8718 frames, with software AutoStakkert 3, wavelet with RegiStax V.6, final tough by MicrosoftPhoto, Atmospheric condition: Transparent: 9/10, Seeing: 8/10. Equipment borrowed from Mr. Ng. The photo was taken at Kennedy Town 堅尼地城, Hong Kong.