Coatesville, PA's night sky, measured from orbit

Coatesville's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 57.4% of the 3,206 US cities in this dataset.

Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.

The nearest darker sky to Coatesville

34 miles from Coatesville, straight-line, sits Havre de Grace, MD, the nearest city here with a darker sky than Coatesville's own suburban band.

Havre de Grace, MD is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

How Coatesville compares nationally

Coatesville, PA has a population of about 13,390, one of 3,206 US cities of 10,000 or more residents in this dataset. Coatesville places 1,832 of 3,206 cities in this dataset's darkest-to-brightest order.