Holcomb Observatory and Planetarium

Holcomb Observatory and Planetarium
Holcomb Observatory and Planetarium
Holcomb Observatory and Planetarium

We will be open to the public November 8th, 14th, and 15th


No reservations are needed for Public tours (Friday & Saturday evenings).   For Private tours and planetarium shows please email us or call 317-940-8333.

  • Doors open at 7:00 PM
  • Planetarium and Star Show at 7:30 PM
  • Telescope Viewing from 8:30 to 10:00 PM
    (
    weather permitting; see our  ClearSky Clock)

Holcomb Observatory and Planetarium has been serving Butler University students and the Indianapolis public for 60 years. The observatory, one of the largest public observatories in the world, houses a 38-inch Cassegrain reflector in addition to a number of smaller telescopes. It is the ninth largest telescope East of the Mississippi River. The observatory can be visited during our regular public tours listed above or groups can schedule private tours at other times.  Please go to the tours tab to the right for more information.

During 2014 the main telescope will be undergoing a $325,000 refurbishment by Astronomical Consultants and Equipment.  We will still continue to have telescope viewing and planetarium shows as usual.   A portable computer controlled telescope will be used for viewing the planets, Moon, and stars.  This telescope gives us great views of the planets, so this Fall come see Neptune and Uranus for your very first time! We are looking forward to having our greatly improved main 38-inch telescope back online in early 2015.  See the tab to the lower left for more information about the upgrades.


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Holcomb Observatory & Planetarium

4600 Sunset Ave.
Indianapolis, IN 46208
(317) 940-8333
holcombobservatory@butler.edu