- South Dakota Space Grant Consortium – Rapid City, SD
Observatories
- Badlands Observatory – Quinn, SD
Daytime tours and night programs available by reservation.
- Chamberlin Observatory – Denver, CO
Prior registration needed for public nights. Open houses include telescopes set up on the lawn.
- Sachtleben Observatory – Hastings, NE
Open select Saturdays to the public, weather permitting.
- Honey Creek Observatory – O’Neill, NE
Check site for public viewing nights.
- Branched Oak Observatory – Raymond, NE
A variety of events can be found on their calendar.
- Eagle Lake Observatory – Norwood-Young America, MN
The observatory is located within Baylor Regional Park, which includes campgrounds, picnic shelter, restrooms, and other facilities.
Planetariums
- Dr. Lois Veath Planetarium – Chadron, NE
Public shows and bookings available for large groups. Listing of presentations can be found on the website.
- Valley City State University Planetarium – Valley City, ND
The only planetarium in North Dakota. A variety of shows are available.
- Campbell County School District Planetarium – Gillette, WY
Public shows include full dome, star tours and laser shows.
- Casper Planetarium – Casper, WY
Shows change every month. Check the calendar for show times and click the “Coming…” link for the next month’s shows.
- Harry C. Vaughan Planetarium – Laramie, WY
A variety of shows are available. Tickets can be purchased online.
- Sanford Museum & Planetarium – Cherokee, IA
Public programs are held twice weekly and admission is free.
Clubs
- Cheyenne Astronomical Society – Cheyenne, WY
- Colorado Springs Astronomical Society – Colorado Springs, CO
- Denver Astronomical Society – Denver, CO
- Southwest Montana Astronomical Society – Bozeman, MT
- Yellowstone Valley Astronomy Association – Billings, MT
- Fargo-Moorhead Astronomy Club – Moorhead, MN
- SouthEast South Dakota Astronomy Club – SouthEast SD
- Tri-State Astronomy Club – Sioux Falls, SD
- Platte Valley Astronomical Observers – Grand Island, NE
Stargazing On Your Own
- Montana’s Trail to the Stars – Montana
Some of the darkest skies on public land that can be found in eastern Montana.