形似半月的金星

C.L.Chan

形似半月的金星
The Venus , 2015/04/16 HKT: 19h38m,
Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Tele Vue Big 2X Barlow,Losmandy G-11 Equatorial Mount with motor drive. Camera ASI 120MC CMOS Web Cam, Shoot at 20 frames/sec, stack and process 281 frames with Software RegiStax V.4 . Atmospheric Transparent :7/10, Seeing : 5/10. Equipment borrowed from H.C.Ng. Taken at Kennedy Town, Hong Kong.