Hidden Valley Observatory

South Dakota, United States

Hidden Valley Observatory is an astronomical observatory owned and operated by Black Hills Astronomical Society. Located in the northwest of Rapid City, South Dakota (USA), the observatory sits on the edge of the Black Hills National Forest. The grounds include an outdoor classroom and observation field. The public is welcome on specific dates listed on the society's website.

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Observatory data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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