Questions tagged [dark-night-sky]
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Is it enough that it's night (sun 18 degrees below horizon) for astrophotography?
I have a series of images taken between about 18:50 and 20:15, of Andromeda galaxy. They show progressive darkening of the sky around the galaxy. During that day, night started 18:00 so it was exactly ...
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Sky illumination based on moon phase and altitude
Does anyone know if there has been any work in determining the impact of the moon on sky brightness based on phase, moon altitude (including below the horizon), location altitude, humidity, etc? This ...
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Conclusions of Loys de Chéseaux regarding the dark night sky
In John Gribbin's Ten Tantalizing Truths, the author discusses the puzzle of dark night sky:-
The person who first expressed the puzzle clearly in scientific terms was the Swiss astronomer Jean-...