DarkSkyCheck

Cottage Grove, OR Night Sky Brightness

Cottage Grove, OR's night sky, measured from orbit

Suburban edge
18.6 nW/cm2/sr

Cottage Grove's sky measures suburban edge here. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Only 40.1% of the 3,206 cities measured here read darker than Cottage Grove.

Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.

Where to go for a darker sky near Cottage Grove

The closest place in this dataset with a meaningfully darker sky is Independence, OR, roughly 74 miles away in a straight line, rated rural. Road distance will be more.

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

How Cottage Grove compares nationally

Cottage Grove, OR has a population of about 10,690, one of 3,206 US cities of 10,000 or more residents in this dataset. Cottage Grove's position, 1,280 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.