Littleton, CO Night Sky Brightness
How dark is the sky in Littleton, CO?
Littleton 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. Littleton's sky is brighter than 20% of the 3,206 cities in this dataset.
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.
Where to go for a darker sky near Littleton
18 miles from Littleton, straight-line, sits Aurora, CO, the nearest city here with a darker sky than Littleton's own suburban edge band.
Aurora, CO is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Littleton against the rest of the dataset
About 44,879 people live in Littleton, CO, 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, Littleton comes in at 638, darkest to brightest.