Sommers-Bausch Observatory Open House

Join us for FREE telescope viewing of the Moon, planets, galaxies, nebulae, and other celestial objects with SBO’s 20” telescopes! Open houses are only held when the skies are clear. If you're not sure if we'll be open, check out our local weather, check our facebook or instagram an hour before scheduled time, or call us, on Friday night 15 minutes before scheduled time, for an observing status at 303-492-2020. There is no charge for the Observatory's Open House nights … the stars are free to everyone! Sessions typically last from 1-2 hours, depending upon the weather and the quality of the night. Sommers-Bausch Observatory Open House is scheduled at Sommers-Bausch Observatory in Boulder on Friday, October 23, 2026 at 7:00 pm. Presented by University of Colorado Boulder, the date, time and location for this family event were verified against the organizer’s official calendar. Admission information: See official source for current pricing. Check the official source before attending for current availability and final event details.

Official-source verification: Colorado Event Radar imported this listing from the public CU Boulder Events Calendar API. Confirm final details, availability, and admission with the organizer before attending.