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哥白尼環形山 (93km) , 和它東邊的小環形坑串 .
2015/04/28 HKT: 19h59m,
Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Prime Focus, Losmandy G-11 Equatorial Mount with motor drive. Camera ASI 120MC CMOS Web Cam, Shoot at 20 frames/sec, stack and optimize 272 frames with Software RegiStax V5 . Atmospheric Transparent : 8/10, Seeing : 7/10. Equipment borrowed from H.C.Ng. Taken at Kennedy Town, Hong Kong.
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