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農曆十九的月亮 , 光照面 88.9%
Moon , Waning gibbous, 2018/04/04 HKT: 01h13-15m, Telescope: Astro Physics, Star 12 ED, D=12cm, F.L.=102cm, Prime Focus, Losmandy G-11 Equatorial Mount with motor drive. Canon EOS 300D Camera, ISO 200, 1/200 sec exposure. CRW Format. Atmospheric Transparent : 7/10, Seeing :7/10. Stack 7 frames by RegiStax , and brightness adjustment by Microsoft Photo. Equipment borrowed from Mr. Ng. Taken at Kennedy Town堅尼地城, Hong Kong.
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發表於 2018-4-4 10:56:46