Flagstaff mandates that shielding be positioned on out of doors lighting in order that it doesn’t challenge skyward. There are additionally limits on the lumens of sunshine allowed per acre of land.
The result’s a starry sky seen even from the guts of the town. Flagstaff’s Buffalo Park, only a couple miles from downtown, measures a couple of 4 on the Bortle scale, which quantifies the extent of sunshine air pollution. (The dimensions goes from 1, the darkest skies attainable, to 9, much like the light-polluted evening sky of, say, New York Metropolis. To see the Milky Manner, the sky should be under a 5.)
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