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Located east of the Southeast Regional Library at the Riparian Preserve at Water Ranch, the Gilbert Rotary Centennial Observatory (GRCO) is a community observatory that is owned by the Town of Gilbert and operated by the Riparian Institute. Open every Friday and Saturday evening at nightfall year-round and weather permitting; the GRCO houses a 16-inch diameter Meade and a state-of-the-art modified Richey-Cretien scope. The Gilbert Rotary Centennial Observatory hosts a Public Star Party every second Friday of each month which includes an astronomy-related talk and viewing of the stars with additional telescopes supplied by members of the East Valley Astronomy Club.

Address: N. Greenfield Road and E. Guadalupe Road in Gilbert, AZ 85234

Gilbert Rotary Centennial Observatory
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Rating: ⭐⭐⭐⭐⭐

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