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.

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Clearsky

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.

  • Seattle Sunrise
  • Official at 05:22 AM
  • Civil at 04:43 AM
  • Nautical at 03:53 AM
  • Astronomical at 02:46 AM
  • Seattle Sunset
  • Official at 08:50 PM
  • Civil at 09:28 PM
  • Nautical at 10:19 PM
  • Astronomical at 11:27 PM
  • Lunar Phase
  • Sky Conditions
  • Seattle
  • Rattlesnake Mountain Trailhead
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.

 

Recent Observing Awards

Multiple Star Observing

The purpose of the Multiple Star Observing Program is to introduce Astronomical League observers to 114 of some of the finest multiple star systems. This program is to be conducted after ...

1 awarded

Jonathan Jonathan

(15)

Awarded on Feb 07, 2022 — 4 months

Comet Observing Program

In observing the wonders of the universe, there are perhaps no more wondrous and beautiful objects than comets. Since the invention of the telescope hundreds of years ago, astronomers have ...

5 awarded

Yu-Hang Kuo Yu-Hang Kuo

gold (56)

Awarded on Dec 20, 2021 — 5 months

Outreach Award

The Astronomical League has been highly successful motivating League club and society members to not only get out and observe, but to also record and submit their observations for appropriate ...

11 awarded

James  Pryal James Pryal

outreach (1236O)

Awarded on Oct 25, 2021 — 7 months

Messier Observing Program

Almost every amateur astronomer begins to be aware of the Messier Catalog as soon as he or she opens their first book. The novice is sure to find some spectacular object pictured and designated by ...

29 awarded

John McLaren John McLaren

(2876)

Awarded on Sep 30, 2021 — 8 months

Binocular Variable Star Observing Program

The Astronomical League and American Association of Variable Star Observers (AAVSO) would like to present an entry level binocular program for observing Variable Stars. It serves as a good way to ...

1 awarded

James  Pryal James Pryal

(55)

Awarded on Sep 20, 2021 — 8 months