Crater Aristarchus and Herodous
選擇一段較長的影片 , 篩選出多一些(216)畫面來疊成一張 , 相片更細緻 .Crater Aristarchus and Herodous, 2017/11/01 HKT 22h22m, Telescope TEC Maksutov-Cassegrain MC200/20,D=20cm, F.L.=400cm, Prime Focus, Losmandy G-11 Equatorial Mount with motordrive.Camera ZWO ASI 120MC CMOS Web Cam, Shoot at 20 frames/sec, stack andoptimize 216 in 1177 frames with Software RegiStax V5 .Microsoft photo adjustbrightness. Atmospheric Transparent : 9/10, Seeing : 8/10. Equipment borrowedfrom Mr. Ng. Taken at Kennedy Town, Hong Kong.
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