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.

  • DAS Astrophotography Gallery for November 2026

    The Denver Astronomical Society Astrophotography Special Interest Group (ASIG) November Member Gallery Each month, the Astrophotography Special Interest Group (ASIG) of the Denver Astronomical Society gathers to share one of the most inspiring parts of our hobby—the images we’ve captured of the night sky. From stunning galaxies and colorful nebulae to detailed views of the Moon and planets, members present their latest work, talk through how the images were created, and exchange tips, techniques, and stories from behind the lens. It’s a chance to celebrate progress, learn from one another, and stay motivated under the stars.   Richard Graylin NGC…

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  • Get Ready for the Leonids Meteor Shower 2026

    A Famous November Display The Leonids are one of the most famous meteor showers in history, known for producing spectacular meteor storms in the past. Although 2026 isn’t expected to bring one of those extraordinary displays, the annual shower is still worth watching. This year, the best viewing conditions will come after midnight, when the Moon sets and darker skies return. What Is a Meteor Shower? Meteor showers happen when Earth passes through a trail of dust and debris left behind by a comet or asteroid. As these tiny particles enter our atmosphere at high speeds, they burn up and…

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  • What’s Up in Denver? November 9th through 15th

    Here’s a brief look at what’s going on in the Mile High City this week. November 9: Catch the morning star, Venus next to Spica, the alpha star in the constellation Virgo low in the eastern sky around 5:30 AM DAS General Meeting – Show and Tell: If you have something you’d like to present? Let DAS Vice President know vpresident@denverastro.org. Free, in-person event at Secular Hub: 7:00 PM New Beaver Moon: 12:02 AM November 10: Space Telescope Science Institute: Secrets of the Cigar: JWST Unveils the Prototype Starburst Galaxy with Adam Smercina: Free, online event via YouTube: 6:00PM Amateur…

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  • What’s Up in Denver? November 2nd through 8th

    Here’s a brief look at what’s going on in the Mile High City this week. November 2: Catch the waning crescent Hunter’s Moon near Mars and Jupiter low in the eastern sky between the constellations Cancer and Leo around 1:00 AM November 3 (Election Day): Look for the waning crescent Hunter’s Moon next to Regulus low in the eastern sky in the constellation Leo around : 1:30 AM November 4: NASA Night Sky Network: 50 Years of Voyager Discoveries with Dr. Jeffrey Hayes: Free, online event via YouTube: 7:00 PM DAS Astrophotography Special Interest Group (ASIG) – General & Beginner…

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The Chamberlin Observatory

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.


M•45 – Pleiades, Seven Sisters, Subaru image by Darrell Dodge

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.


Astronomical League 50th Anniversary

Access to member profiles and forums