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Retouch M42

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發表於 2019-1-26 14:32:25 | 顯示全部樓層 |閱讀模式
加拿大的同好 Ben Law  用天文執相軟件 Pixinsight Photoshop 再處理我 24 Jan 2019 記錄的 M42 數據 ( 40sec x 10), 效果更好 .
首次嘗試在市區用ISO 3200每張相片曝光長40秒 , 希望把 M42北邊的 NGC 1973-5-7的雲氣顯現
M42 in Orion, 400 sec exposure. 2019/01/25, HKT 21h35m to 44m , Telescope: Astro Physics, Star 12 ED, D=12cm, F.L.=102cm, Prime Focus with field flattener lens and Astronomik light pollution filter, Losmandy G-11 Equatorial Mount with motor drive. Manual object targeting. Canon EOS 700D Camera , IR Low pass filter removed. ISO3200, 40 sec exposure each, Total 400 sec. CRW Format. Light frames 10x, Dark frames 10x, Bias frames 10x, flat frames 10x. Stacking by Deep Sky Stacker freeware and post-processed by Microsoft photo . Atmospheric Transparent :7/10, Seeing :7/10. Equipment borrowed from Mr. Ng. Taken at Kennedy Town, 堅尼地城Hong Kong .

Retouch M42

Retouch M42
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