• Astronomy (includes Observatories)

• 64.

Skylight Astronomical Society Inc

Skylight Astronomical Society Inc. Astronomy compels the soul to look upwards and leads us from this world to another Plato Welcome.

• Community/Neighborhood Development, Improvement

• 65.

Observatory Hill Inc

Observatory Hill Inc. (OHI) is a 501c3 non-profit organization that is focused on the North Side Pittsburgh neighborhood of Observatory Hill.

• Recreational, Pleasure, or Social Club

• 66.

Beer Barons of Milwaukee

The Beer Barons of Milwaukee is Milwaukee's largest Homebrewing club.

• Private Grantmaking Foundations

• 67.

Hyslop Foundation Inc

Hawthorn Hollow is a private, nonprofit nature sanctuary and arboretum owned & operated by the Hyslop Foundation, providing environmental education to all ages.

Spokane Astronomical Society

Spokane Astronomical Society Astronomy just for the fun of it.

Black Rock Observatory

To inspire science literacy and introduce people to the wonders of the cosmos Black Rock Observatory Donate Our mission To inspire science literacy and introduce people to the wonders of the cosmos.

• Single Organization Support

• 70.

Jackson S House Milwaukee Inc

Jackson House Milwaukee is a 501(c)(3) non-profit community organization serving as an agent of chan Jackson House Milwaukee Home .

• Astronomy (includes Observatories)

• 71.

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.

• Natural Resource Conservation and Protection

• 72.

Methow Dark Sky Coalition

Our mission: To preserve, Enhance and Promote Dark Skies in the Methow Valley ​ METHOW DARK SKY Coalition Home About Light Pollution Events News Gallery Contact More Preserve Methow Dark Skies The Methow Valley has some of the darkest skies in Washington state and the entire country.