• Recreational, Pleasure, or Social Club

• 73.

Antelope Valley Astronomy Club

Welcome to the Antelope Valley Astronomy Club Local viewing conditions Click for a detailed view The Antelope Valley Astronomy Club Inc.

Blue Hill Observatory Science Center

The Blue Hill Observatory, established in 1885, remains a center for the study of weather and climate.

• Alliance/Advocacy Organizations

• 75.

Hays County Friends of the Night Sky

We work to reduce light pollution to restore our night skies, increase safety, reduce energy cost and waste, and enhance the health of Hays County, Texas.

• Astronomy (includes Observatories)

• 76.

Native Skywatchers Incorporated

THIS CORPORATION IS ORGANIZED AND SHALL BE OPERATED EXCLUSIVELY FOR CHARITABLE,SCIENTIFIC, AND EDUCATIONAL PURPOSES.

• Astronomy (includes Observatories)

• 77.

Austin Astronomical Society

Site Menu Welcome to the Austin Astronomical Society The Austin Astronomical Society is a nonprofit 501c3 organization that exists for the benefit of people interested in astronomy and space science.

Great Lakes Association of Astronomy Clubs

GLAAC was founded to make it easier for amateur astronomy clubs to collaborate on big events.

• Museums & Museum Activities

• 79.

Fremont Peak Observatory Association

Fremont Peak Observatory opened in 1986, and has operated every summer since, offering public viewing of the night sky and interpretive programs.

CINCINNATI OBSERVATORY CENTER

We're the oldest public Observatory in the country.

• Astronomy (includes Observatories)

• 81.

CARLTON OBSERVATORY AT EVERGREEN

We are currently in the Telescope Room in the Space Museum at the Evergreen Aviation & Space Museum Science Fest 2025.