Sharing the Night Sky with the Public Since 1949
For over seventy-five years, the Denver Astronomical Society has brought together stargazers across the Denver metropolitan area and beyond. The society hosts dozens of events and activities yearly to promote amateur astronomy across our unique region, one mile nearer the stars.
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What’s Up in Denver? June 23rd through 29th, 2025
Here’s a brief look at what’s going on in the Mile High City this week. June 23: Look for the waning crescent Strawberry Moon near the Pleiades low in the eastern skies in Taurus before sunrise. The Pleiades, also known
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What’s Up in Denver? June 16th through 22nd, 2025
Here’s a brief look at what’s going on in the Mile High City this week. June 16: Look for Mars within a degree of Regulus in the southwestern skies – Mars, the red planet glowing with its distinctive rusty hue,
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What’s Up in Denver? June 9th through 15th, 2025
Here’s a brief look at what’s going on in the Mile High City this week. June 9: DAS General Meeting: “Alunite in Cross Crater, Mars: Evidence for a Possible Site of Ancient Life” presented by Dr. Tony Ranalli and Dr.
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Chasing Cosmic Snowballs — Join the Active Asteroids Project!
Welcome back to our Citizen Science series! So far, we’ve looked at galaxies and Martian clouds. Now, we’re going to chase cosmic snowballs — or, more accurately, active asteroids. Get ready to explore an icy mystery right here in our
Chamberlin Observatory Tours
The Denver Astronomical Society hosts weekly and monthly events* at the University of Denver’s historic Chamberlin Observatory, which features its prized 1894 Alvan Clark-Saegmuller 20-inch refracting telescope. The Observatory serves as the DAS home base for numerous Astronomy Nights, Open Houses, and special events throughout the year.
Due to overwhelming demand, we are changing how we reserve our Astronomy Nights and adding more to the calendar. For details, see our Reservations page.
If you have any questions about EXISTING reservations or want to change your existing reservation, email us at reservations@denverastro.org.
Astrophotography Special Interest Group
The Denver Astronomical Society (DAS) has established a Special Interest Group amongst its members devoted to Astrophotography. Do you want to learn or improve your skills in astrophotography? Do you enjoy viewing pictures of the Sun, Moon, Planets, or Deep Sky Objects? Can you take similar images? You may have skills that you could pass on to novice members. Consider joining DAS and being part of this Special Interest Group. Please email us for more information. astrophotogroup@denverastro.org
The Van Nattan-Hansen-Anderson Scholarship
Established in 1973, the DAS Van Nattan-Hansen-Anderson Scholarship supports graduating high school and undergraduate college students majoring in astronomy and the physical sciences. Interested and eligible students are invited to apply for funding on the Scholarship Page.
