Collegedale, TN Night Sky Brightness
How dark is the sky in Collegedale, TN?
Collegedale reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 51.6% of the 3,206 cities measured here read darker than Collegedale.
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 Collegedale
Fort Oglethorpe, GA, about 14 miles away as the crow flies, measures in the dark sky band, one step darker than Collegedale. 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.
Collegedale against the rest of the dataset
About 11,510 people live in Collegedale, TN, 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, Collegedale comes in at 1,646, darkest to brightest.