Your web browser is out of date. Update your browser for more security, speed and the best experience on this site.

Update your browser

Reimers Observatory

Since opening its doors in March 2015, thousands of visitors to Reimers Observatory have experienced the starry skies of Reimers Ranch Park, a designated Dark Sky Park, enjoying views through the large telescopes and experiencing a natural night sky. Book your visit today!

No 5 Reimers Observatory

Star Parties in our Parks

The Night Sky Program offers public star parties open to all ages throughout the Travis County park system, connecting the community with the night sky. Learn how to register for one of our upcoming star parties below:

11 15 2025 Sheild Star Party 22

Night Sky Explorer Patch Program

The Night Sky Program offers public and private group Night Sky Explorer Patch programs for ages 9-99 throughout the Travis County park system, connecting the community with astronomy education, nocturnal nature and wildlife and night sky preservation. Contact us here to reserve a program for your private group or register for a public program below:

Patch circle final

Night Sky Preservation

The Night Sky Program promotes and supports night sky friendly outdoor lighting in the parks, educates the community about the impacts of light pollution and solutions and monitors night sky quality with a network of 5 night sky quality monitoring stations.

Allen Parkmeter cropped

Upcoming Events

Volunteer With the Night Sky Program

Sign Up Here

Night Sky Program Supporters

Asterion Foundation
Lisa & Desi Rhoden