農曆十三的月亮
農曆十三的晚上，東北風仍然強勁地吹，影低陪率和曝光的1/160 秒的月亮是不成問題的。The Moon, HKT 2023 09 27 19:52,Telescope: Astro Physics, Star 12 ED, D=12cm, F.L.=102cm, Prime Focus, LosmandyG-11 Equatorial Mount with motor drive. Canon EOS 300D camera, ISO 100, 1/160sec exposure. Stack by AutoStakkert and Wavelet by RegiStax with 30% in 20 jpgfilms. Atmospheric Transparent 9/10, Seeing : 7/10.
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