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The KEASA observatory is located near Barking Sands Beach on the west side of the island of Kaua`i.

Latitude 21° 59' N

Longitude 159° 45' W

Altitude 3 meters

The observatory is a joint venture between the Kauai Educational Association for Science and Astronomy and Kauai Community College (KCC). The main buidling has a roll-off roof. The roof rolls on and off quite easily with a manual or electric winch. There are three piers on a raised desk each with an instrument suite. See images below for details on the instruments.
In the background is the raised deck. The foreground contains a classroom and meeting space. A warm room is not needed as the annual temperatures stay between 60° and 90°F.

Left - 17-inch PlaneWave Instruments Corrected Dall-Kirkham Cassegrain telescope atop a Software Bisque Paramount MEII German equitorial mount with a Televue NP101 guide scope. These instrunment are from Dr. Robert Byer, Stanford University Physics Department.


Right - 12.5-inch f/9 Ritchey-Chrétien with an APM 125mm refractor on an Astro-Physics 1200 German equitorial mount. Instrument owned by CDR Tom Ellis, USN (Ret.)

Left - Astrotech 8-inch f/8 Ritchey-Chrétien with a Stellarvue 70mm f/6 Apo refractor on a Software Bisque Paramount MyT German Equitorial mount. Instrument owned by Dr. James Dire.


A concrete slab on the east side of the building provides ample space for telescopes to be set up outdoors. Plus in 2011, KEASA acquired a POD observatory. The POD is also visible in the background of the top image on this page. Also visible in the background of that image is the Kaua`i Community College observatory located on the same site.