Prairie Grass Observatory Open House Saturday, May 31, 2025

Photo by Erick Dircks

Camp Cullum’s Prairie Grass Observatory will be hosting an open house for 2025 on Saturday, May 31, 2025. This event is FREE and offers astronomical events monthly April through October- weather permitting.  The scheduled Open Houses remaining this year are as follows:

May 31

June 21

July 25 & 26 Star Party

August 22

September 20

October 25 Chilli Supper

Anyone coming to these free Open House events can see through some of Indiana’s largest telescopes, including a computerized 28” scope, giant 100mm binoculars, 16” scope, space movies, laser assisted constellation talks and more.  Wabash Valley Astronomical Society members support Observatory open house events, operate telescopes and provide technical expertise to the Observatory.

On a good night you will be able to view:

Planets
Open Star Clusters
Galaxies
Constellations
Globular Clusters (over 100,000 stars in eyepiece)
Craters on the Moon on “Moon nights”
Often see “falling stars” or meteors
Pictures and displays
Observatory’s own meteorite collection

Open Houses are Open to the public.  Camp Cullom is located at 6815 W County Road 200 North between Jefferson and Mulberry, Indiana.

Camp Cullom and Prairie Grass Observatory is supported in part by your United Way for Clinton County donations.

Prairie Grass Observatory will hold several Open House nights April – October during the 2025 season
Eric Bowen’s image of M31 Andromeda Galaxy Captured from the Indiana Family Star Party last year at Camp Cullom. 80 x 3 minute subs using William Optics Zenithstar Z81 @ f/5.6, QHY 268C, ZWo UV/IR cut filter.
INSpace Camp students visited the Prairie Grass Observatory as part of their week-long experience.
Prairie Grass Observatory Photo of Saturn taken by John Mahony