About
The Seattle Astronomical Society (SAS) is a 501(c)(3) non-profit organization, created and sustained by members who share a common interest in the observational, educational, and social aspects of amateur astronomy. Established in 1948, the SAS includes a diverse collection of people of all ages, occupations, educational levels, and astronomy experience, ranging from beginners to professional astronomers. This diverse membership supports the general objectives of the SAS, which include promoting and providing meaningful astronomical activities for SAS members as well as offering outreach and education for the public.
Explore the universe, embrace the wonders of the cosmos, and redefine your perspective on the world.
Our Mission
The mission of the Seattle Astronomical Society (SAS) is to promote meaningful astronomical activities for its members and to provide outreach and astronomy education for the public.
