Seattle Astronomical Society is a nonprofit organization dedicated to promoting all aspects of amateur astronomy for the benefit of its members and the general public.

Recent Announcements

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Current Sky Conditions

Clear skies are an essential ingredient for successful skywatching. Get a closer look at a clear sky chart or more general weather conditions.

Join SAS

Join SAS!

SAS invites all to participate in popular SAS public events and to think about the benefits of becoming a member of SAS. All astronomy enthusiasts are welcome.


Upcoming Events

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