The Orion Nebula as imaged through the 38-inch Holcomb Telescope.

Holcomb Observatory is open for Fall tours. Weekend public tours dates are Oct 3, 4, 10, 11, 24, 25 Doors open at 7:30 PM Planetarium Show at 7:45 PM Telescope viewing 8:45—10 PM For private tours call: (317) 940-8333

Weekend Public Tours

Scheduling a Private Group Tour

History

The Telescope

Instruments and Images

The Current Night Sky

Star Charts

Visible Satellites

Buying a Telescope

Buying a Star

Light Pollution

Operations & Manuals

Private Group Tours Available

Clear Sky Clock

Holcomb Observatory and Planetarium, administered by the Department of Physics and Astronomy , has been serving Butler University students and the Indianapolis public for nearly 50 years. The observatory, one of the largest public observatories in the world, houses a 38-inch Cassegrain reflector. The observatory and planetarium are open to the public on a regular basis from late January through late July, and mid September through early December. All astronomy and astrophysics courses are taught at the observatory. Students at both the introductory and advanced levels of astronomy and astrophysics use the telescope for their laboratory and research projects to study the cosmos. If you would like to know more about degree programs in physics, astronomy, or engineering please visit the Department of Physics and Astronomy link.

Private Tours: (317) 940-8333

Email: holcombobservatory@butler.edu

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