Light Pollution Map Of The United States. New study shows extent of light pollution across the night sky Night The eastern part of the United States has the highest level of light pollution The darkest places in the United States are in the Colorado Plateau, a region of the Southwest covering parts of Utah, Colorado, New Mexico and Arizona.
Night light pollution changes in North America over the last 25 years from www.reddit.com
Light pollution limits the visibility of milky way to the unaided eye, the visiblity of nebulae and galaxies seen in telescopes, and raises the noise on CCD astrophotographs. When comparing year to year, sadly the trend is not good for stargazers
Night light pollution changes in North America over the last 25 years
Additionally, various states and countries around the world have anti-light pollution laws, and if more places implement those, it could significantly reduce light pollution worldwide — and have vital benefits Falchi et al., Science Advances [link TK]; Jakob Grothe/National Park Service, Matthew Price/CIRES and CU-Boulder.. The map uses NOAA/EOG VIIRS, World Atlas 2015, Aurora prediction, observatories, clouds and SQM/SQC overlay contributed by users.
Light pollution map (xpost from mapporn) Astronomy. 2015 map showing US light pollution based on Bortle scale/SQM data When comparing year to year, sadly the trend is not good for stargazers
United States light pollution map Great Basin School of Photography. The map uses NOAA/EOG VIIRS, World Atlas 2015, Aurora prediction, observatories, clouds and SQM/SQC overlay contributed by users. Light pollution limits the visibility of milky way to the unaided eye, the visiblity of nebulae and galaxies seen in telescopes, and raises the noise on CCD astrophotographs.