How dark is the sky in Martinsville, IN?

Martinsville reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Martinsville's sky is brighter than 44.7% 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.

How far Martinsville is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Bargersville, IN, roughly 15 miles away in a straight line, rated rural. Road distance will be more.

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

Martinsville against the rest of the dataset

Martinsville, IN counts roughly 11,952 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Martinsville ranks 1,426 from darkest to brightest, 1 being the darkest measured.