Assuming I'm looking for stars at least 50° from the quarter moon, is there any way to determine what magnitude stars would be visible to the naked eye, in a sky without light pollution, during nautical twilight? (Nautical twilight occurs when the geometric center of the Sun's disk is between 6 and 12 degrees below the horizon.)
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1$\begingroup$ en.m.wikipedia.org/wiki/Sky_brightness might be interesting $\endgroup$– planetmakerCommented Aug 3, 2021 at 4:25
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