What the night sky looks like over Norwich, CT
Norwich 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. Only 21.8% of the 3,206 cities measured here read darker than Norwich.
The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.
Where to go for a darker sky near Norwich
15 miles from Norwich, straight-line, sits Groton, CT, the nearest city here with a darker sky than Norwich's own suburban edge band.
Groton, CT is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Norwich against the rest of the dataset
About 39,993 people live in Norwich, CT, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Norwich ranks 696 from darkest to brightest, 1 being the darkest measured.