Manchester, MO's night sky, measured from orbit
Manchester reads as suburban edge on this dataset's scale. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Manchester's sky is brighter than 23.4% of the 3,206 cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.
How far Manchester is from a meaningfully darker sky
9 miles from Manchester, straight-line, sits Wildwood, MO, the nearest city here with a darker sky than Manchester's own suburban edge band.
Wildwood, MO 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, MO has a population of about 18,122, one of 3,206 US cities of 10,000 or more residents in this dataset. Manchester places 746 of 3,206 cities in this dataset's darkest-to-brightest order.