The College of Southern Idaho's Centennial Observatory

The Centennial Observatory

Centennial Observatory Logo

The observatory features one of the world's largest fully wheelchair-accessible public telescopes.  The main instrument is the Norman Herrett telescope, a 24" Ritchey-Chrétien reflector on a computer-controlled fork mount, manufactured by DFM Engineering of Longmont, Colorado, USA.  An elevator takes visitors to its second-story location at the south end of the museum. Once there, a wheelchair elevator takes visitors with limited mobility to the observing deck under a six-meter (20 foot) motorized dome manufactured by Observa-Dome of Jackson, Mississippi, USA.  The ARE-125, an optical "periscope" designed by DFM, allows unprecedented access to the telescope for wheelchair-bound or limited-mobility visitors.  An Apogee Alta E47+ CCD camera is available for imaging, a generous gift of Dick and Jody Shotwell.

Observatory Telescope

For More Information Contact:

The Herrett Center for Arts & Science
The College of Southern Idaho
315 Falls Avenue
Twin Falls, ID 83301
Museum Front Desk: (208) 732-6655
Planetarium Ticket Sales: (208) 736-3059
Star Line Sky Info: (208) 732-MOON (732-6666)
Fax: (208) 736-4712

  Observatory Open Hours &
Admission Prices
  The Observatory is currently closed for repairs.  We hope to reopen in time for our monthly star party on July 14th, depending on how quickly the repairs progress.  In the meantime, we appreciate your patience.
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Centennial Observatory Clear Sky Chart
Centennial Observatory Clear Sky Chart