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.

Upcoming Events

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Star Field Complex - Phase 2 Fundraiser. We are now collecting funds to develop the road and telescope field for the club's very own dark sky site near Goldendale WA in bortle 2 skies.

Recent Announcements

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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.

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.

  • Seattle Sunrise
  • Official at 05:37 AM
  • Civil at 05:00 AM
  • Nautical at 04:12 AM
  • Astronomical at 03:10 AM
  • Seattle Sunset
  • Official at 08:53 PM
  • Civil at 09:30 PM
  • Nautical at 10:18 PM
  • Astronomical at 11:20 PM
  • Lunar Phase
  • Sky Conditions
  • Seattle
  • Rattlesnake Mountain Trailhead & Snoqualmie Point Park
  • Covington Community Park
  • Bonney Lake & Buckley
  • Goldendale Sky Village & Star Field Complex