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M51旋涡星系

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    2020-4-30 10:25
  • 签到天数: 3 天

    [LV.2]偶尔看看I

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    Post time: 2020-7-22 11:54:28
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    本帖最后由 HuaJi 于 2020-8-23 10:51 编辑

    M51_JPEG.jpg
    原始数据来自:米斯蒂山天文台数据库

    L: 15*5min
    R/G/B: 各5*5min
    累计100min

    望远镜: OGS 32" RC, f/7.2(prime focus)
    相机: SBIG STL-11000
    处理软件:Photoshop CC 2018, MaxIm DL 6, Astra Image 5


    依然搞不懂这么长的焦距为什么要偏轴导星
    开源也要成死论坛了(悲)
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