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? August 18th through 24th, 2025
Here’s a brief look at what’s going on in the Mile High City this week. August 18: Catch the waning crescent Strugeon Moon next to a trio of open clusters in Auriga—M36, a compact cluster about 4,100 light-years away with
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What’s Up in Denver? August 11th through 17th, 2025
Here’s a brief look at what’s going on in the Mile High City this week. August 11: DAS Monthly General Meeting: “Footloose Astronomer in Europe: On the Trail of Telescope History” presented by Dr. Phil Kelton McDonald Observatory (Retired): In-person
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Summer’s Most Spectacular Show: The Perseid Meteor Shower
What Is a Meteor Shower? A meteor shower happens when Earth travels through a stream of debris left behind by a comet or asteroid. When these tiny bits of rock and dust enter our atmosphere, they burn up and create
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What’s Up in Denver? August 4th through 10th, 2025
Here’s a brief look at what’s going on in the Mile High City this week. August 4, 5 & 6: Look for the Waxing gibbous Sturgeon Moon to visit the Teapot asterism in the constellation Sagittarius low in the southern
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.
