Recent content by An amateur

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    Star visibility

    Little of no light pollution, remote but low altitude site.
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    Star visibility

    In ancient China and India the path of the moon was mapped and the months were identified/named by the stars in the vicinity of the full moon. To identify these stars it is necessary know which stars would have been visible close to the full moon.
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    Star visibility

    How bright does a star have to be for it to be visible at 10, 20 30 or 40 degrees from the full moon?