Saturn UT: 2021/09/03

C.L.Chan

土星, Saturn UT: 2021/09/03, 12h14m,Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, Losmandy G-11Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, Shoot atGamma=100, Gain=28, Expo= 10 ms/frame, frame rate=91 frames/sec, SER format,stack, debayer and process 60% best frames in 22895 frames, Double Reference, drizzle1.5x, alignment points 114 at16, with Software AutoStakkert 3, process time 1.5hr, wavelet with RegiStax V.6, linear & default, iL & si 1, L1 98, L2 25,final tough by Microsoft Photo, Atmospheric condition: Transparent: 8/10,Seeing: 8/10. Equipment borrowed from Mr. Ng. The photo was taken at KennedyTown 堅尼地城, Hong Kong.