What the night sky looks like over Butler, PA

Butler reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 80% of the 3,206 cities measured here read darker than Butler.

The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.

The nearest darker sky to Butler

Lower Burrell, PA, about 21 miles away as the crow flies, measures in the suburban edge band, one step darker than Butler. Actual driving distance will run longer than that straight-line figure.

Lower Burrell, PA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

Butler against the rest of the dataset

Butler, PA has a population of about 13,010, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, Butler ranks 2,552 from darkest to brightest, 1 being the darkest measured.