What the night sky looks like over Bartlett, IL

Bartlett's sky measures rural here. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. That's brighter than 10.5% of the 3,206 US cities in this dataset.

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.

How far Bartlett is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Plano, IL, roughly 27 miles away in a straight line, rated dark sky. Road distance will be more.

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

Bartlett against the rest of the dataset

About 40,718 people live in Bartlett, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Bartlett ranks 337 from darkest to brightest, 1 being the darkest measured.