下弦月
下弦月 , 農曆廿三的月亮 , 光照面 54,2% .Moon , Third quarter, 2018/04/08 HKT: 04h24-26m, 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 : 6/10, Seeing :7/10. Stack 10 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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