Hackettstown, NJ Night Sky Brightness
How dark is the sky in Hackettstown, NJ?
Satellite radiance puts Hackettstown in the suburban edge band. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Hackettstown's sky is brighter than 31.5% of the 3,206 cities in this dataset.
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 Hackettstown
11 miles from Hackettstown, straight-line, sits Hopatcong, NJ, the nearest city here with a darker sky than Hackettstown's own suburban edge band.
Hopatcong, NJ is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Hackettstown against the rest of the dataset
Hackettstown, NJ counts roughly 10,182 residents, among the 3,206 US cities this site tracks. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Hackettstown comes in at 1,004, darkest to brightest.