Somersworth, NH Night Sky Brightness
How dark is the sky in Somersworth, NH?
Somersworth reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Only 5.3% of the 3,206 cities measured here read darker than Somersworth.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute, covered fully in the Bortle scale guide.
The nearest darker sky to Somersworth
37 miles from Somersworth, straight-line, sits Laconia, NH, the nearest city here with a darker sky than Somersworth's own rural band.
Laconia, NH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Somersworth against the rest of the dataset
About 12,218 people live in Somersworth, NH, sized enough to appear in this dataset of 3,206 incorporated US cities. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Somersworth comes in at 169, darkest to brightest.