光污染濾鏡下的M42
獵戶座 M42 大星雲 , 單張直出 , 有同好看過我的相片 , 建議我要加用平場鏡 , 光污染濾鏡 , 今晚照辦 , 天很濛瀧 , 但一分鐘的相片效果不差 , 未有做任何後期製作 .Orion M42 Nebula, 2018/01/16, HKT 21h24m , Telescope: Astro Physics, Star 12 ED, D=12cm, F.L.=102cm, Prime Focus with flat field 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. ISO800, 60 sec exposure. CRW Format. Light frames 1x, Atmospheric Transparent :6/10, Seeing :7/10. Equipment borrowed from Mr. Ng. Taken at Kennedy Town, 堅尼地城Hong Kong .
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