Manchester, TN: how dark is the sky here?
Satellite radiance puts Manchester 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. Only 23.2% of the 3,206 cities measured here read darker than Manchester.
This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.
Where to go for a darker sky near Manchester
53 miles from Manchester, straight-line, sits Soddy-Daisy, TN, the nearest city here with a darker sky than Manchester's own suburban edge band.
Soddy-Daisy, TN is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Manchester compares nationally
Manchester, TN counts roughly 13,484 residents, among the 3,206 US cities this site tracks. Manchester places 741 of 3,206 cities in this dataset's darkest-to-brightest order.