About BPAA

BPAA Vision: Igniting passion for scientific inquiry through the lens of astronomy.

BPAA Mission: To provide opportunities for curious children, students, and adults to observe, discover, and share the wonders of the Universe. Supported by shared expertise and the largest publicly accessible telescope in the Pacific Northwest, our members and the wider community engage in hands-on experiences of astronomy, space exploration, and the technologies that make it possible.

BPAA provides to the community:

  • Educational Classes and lectures
  • Star Parties
  • “Hands-on” with telescopes
  • Planetarium shows
  • Access to Ritchie Telescope

BPAA Charter can be found here.

BPAA Officers can be found here.


The Battle Point Astronomical Association (BPAA) is a non-profit corporation founded in 1992.  The BPAA’s Ritchie Observatory houses the 27-inch Ritchie Telescope, the largest telescope accessible to the public in the Pacific Northwest. The Ritchie Observatory was constructed from the shell of the Helix Building, a World War II relic that in 1992 was scheduled for demolition and removal by the Bainbridge Island Parks Department.

Thanks to the vision of the founders of the Battle Point Astronomical Association, that demolition never took place; instead, through private volunteer community efforts an Observatory was created. The basic construction was completed in 1997 and supports a 27-inch telescope, planetarium, workshop, library, and meeting room. 

Check out this awesome virtual flyover by Craig Hagstrom of the Bainbridge Amateur Radio Club.

A CGI depiction of the Naval antenna farm on Bainbridge Island in WWII, superimposed on the current park on that site. This video demonstrates the concept, but it’s not ready for prime time. Movements are jagged in some cases, and lighting is not optimal.