DarkSkyCheck

How dark is the sky in Hartsville/Trousdale County, TN?

Hartsville/Trousdale County's sky measures rural here. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. That's brighter than 12.1% of the 3,206 US 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.

How far Hartsville/Trousdale County is from a meaningfully darker sky

Fort Oglethorpe, GA, about 113 miles away as the crow flies, measures in the dark sky band, one step darker than Hartsville/Trousdale County. Actual driving distance will run longer than that straight-line figure.

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

Hartsville/Trousdale County against the rest of the dataset

Hartsville/Trousdale County, TN counts roughly 12,159 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Hartsville/Trousdale County ranks 387 from darkest to brightest, 1 being the darkest measured.