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    Sun's Blue and Golden Hours
    From: Ed Popko
    Date: 2021 Feb 15, 05:38 -0800

    While fooling around with some astronomy apps on my phone, I encountered this panel that reports the sun's various rise and set times.
    Astronomical, Nautical and Civil Twilight are very familiar to CelNavers. But what are Blue and Golden Hours?

    Popko

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