svetlobno onesnaženje karta light pollution map astronomy telescopes dark sky observatories world atlas SQM SQC

公益性质的网站，展示了此时此刻全球各地的光污染的状况。Interactive world light pollution map. The map uses NOAA/EOG VIIRS, World Atlas 2015, observatories, clouds and SQM/SQC overlay contributed by users.