• Astronomy (includes Observatories)

• 46.

Amateur Observers Society of New York Inc

The Amateur Observers’ Society of New York, was established in 1965.

AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS (AAVSO)

International nonprofit organization and world leader in variable star research, with a mission to enable anyone to participate in scientific discovery.

Central Maine Astronomical Society

Central Maine Astronomical Society An amateur astronomy club Administrative Links Clear Sky Clock Star Party Sites Social Media Links CANCELED Brower Star Party The star party planned for Brower Observatory in Whitefield for this coming Saturday February 1 2025 is canceled.

• Astronomy (includes Observatories)

• 49.

Southern Maryland Astronomical Society

The Southern Maryland Astronomical Society (SMAS) is a group of amateur astronomers that promotes the science of astronomy in the community.

• Human Service Organizations

• 50.

USA Astronomy and Astrophysics Foundation

USA Astronomy and Astrophysics Competition Foundation: advancing and promoting #astronomy and #astrophysics education through international competition.

• Recreational, Pleasure, or Social Club

• 51.

Western Colorado Astronomy Club

Tuesday April 1 2025 600pm MDT Tides in the Solar System and Beyond Speaker Dr.

• Astronomy (includes Observatories)

• 52.

Pennsylvania Wilds Astronomy Club

Pennsylvania Wilds Astronomy Club An astronomy club providing education and outreach events for the Pennsylvania Wilds Home The Pennsylvania Wilds Astronomy Club We are a newly formed club doing outreach and educational astronomy events in Northcentral Pennsylvania.

• Astronomy (includes Observatories)

• 53.

Kauai Educational Association for Science and Astronomy

NEW 2025 Starwatch Page KEASA Members Event Schedule KEASA targets its educational activities at the schoolage population in particular but also serves the needs of adult learners employers and the community as a whole.

CALIFORNIA ASSOCIATION FOR RESEARCH IN

The W. M. Keck Observatory operates the two largest, and among the most scientifically productive telescopes on Earth Up Above the World So High Discover how far your curiosity will take you Navigate New Horizons Exploring the local and distant Universe from the worlds largest and most scientifically productive telescopes on Earth.