ABSTRACT An all‐sky cloud‐monitoring system that generates relative opacity maps over many of the world’s premier astronomical observatories is described. Photometric measurements of numerous ...
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Geminid meteor shower fills the sky with 'shooting stars' in spectacular time-lapse photosThe background is a panoramic image made of single untracked shots where a starry sky shows the path of the Milky Way, full of beautiful bright constellations and nebulas, shining in reddish hues ...
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