Prairie Grass Observatory Open House Tonight

Erick Dircks composed a montage of images and memories of the Indiana Family Star Party

Camp Cullum’s Prairie Grass Observatory will be hosting an open house tonight, Saturday, May 31, 2025.  This event is FREE.  Prairie Grass Observatory offers an astronomical Free Open House every month through October- weather permitting. Open Houses are timed with moon phases to maximize the dark sky or thin lunar crescent so attendees can have the best experience possible.  The scheduled Open Houses 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.

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 receives support from your United Way for Clinton County donations.

Prairie Grass Observatory will hold several Open House nights April – October during the 2025 season

 

Picture of Saturn taken by John Mahony at Prairie Grass Observatory
Eric Bowen’s image of M31 Andromeda Galaxy Captured from the Indiana Family Star Party at Camp Cullom. 80 x 3 minute subs using William Optics Zenithstar Z81 @ f/5.6, QHY 268C, ZWo UV/IR cut filter.