Galveston, TX Night Sky Brightness
How dark is the sky in Galveston, TX?
Satellite radiance puts Galveston in the rural band. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Galveston's sky is brighter than 2.3% 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 Galveston
426 miles from Galveston, straight-line, sits Saraland, AL, the nearest city here with a darker sky than Galveston's own rural band.
Saraland, AL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Galveston against the rest of the dataset
About 53,538 people live in Galveston, TX, 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, Galveston comes in at 74, darkest to brightest.