Certified dark-sky park

Yerkes Observatory

WI, US · Suburban sky skies

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About this place

Overview
Birthplace of modern astrophysics; 40-inch refractor; recently restored
Horizon
Lakeside setting; trees and buildings limit low horizon
Region
WI, US
Nearest city
~30 km of light pollution

Designation & sky

Type
Dark-Sky Park
Designation
Observatory
Sky quality
Bortle 5 · Suburban sky

Official links

Verify hours, access, and current conditions before you go.

On the map

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