Jupiter and satellites, UT: 2021/09/02

C.L.Chan

木星與衛星

Jupiter and satellites,UT: 2021/09/02, 15h42m, Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm,F.L.= 400cm, Losmandy G-11 Equatorial Mount with motor drive. Camera QHY 5III224 Color Cam, Shoot at Gamma=80, Gain=20, Expo= 5.5 ms/frame, frame rate=80frames/sec, SER format, stack, debayer and process 20% best frames in 12305frames, Double Reference, drizzle 1.5x, alignment points 811 at16, withSoftware AutoStakkert 3, process time 1 hr, wavelet with RegiStax V.6, linear& default, iL & si 1, L1 43, L2 45, final tough by Microsoft Photo,Atmospheric condition: Transparent: 9/10, Seeing: 8/10. Equipment borrowed fromMr. Ng. The photo was taken at Kennedy Town 堅尼地城, Hong Kong.