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.

June

8:30 pm - 8:30 pm

Open House

Looking for a FREE fun family activity? Join the Denver Astronomical Society for our monthly Open House Saturday night at dusk. This event will occur on the south lawn of DU’s historic Chamberlin Observatory, 2930 E. Warren Avenue, Denver. Weather … Read More ...

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DAS Astrophotography Gallery for June 2026

The Denver Astronomical Society Astrophotography Special Interest Group (ASIG) June 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. Andy Culler NGC 7000…
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What’s Up in Denver? June 8th through 14th, 2026

Here’s a brief look at what’s going on in the Mile High City this week. June 8: 🎤 DAS General Meeting – Vera C. Rubin: From Astronomer to Observatory with KaChun Yu of the Gates Planetarium: Free, In-person meeting at 📍Secular Hub: 7:00 PM 🌗 Last quarter Moon: 4:00 AM June 9: 👀 Catch the much anticipated conjunction of Venus and Jupiter. These two bright planets have been moving closer together for week and will be close enough together to resolve with a pair of binoculars. They appear in the western sky in the constellation Gemini just after sunset. June…
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Colorado’s New Stargazing Trail Connects the State’s Darkest Skies

Colorado has long been one of the best places in the country to experience the night sky. From the San Luis Valley to the Western Slope and the Eastern Plains, our state offers some of North America’s darkest and most spectacular skies. Now, a new initiative is helping residents and visitors discover those destinations more easily. The Colorado Stargazing Trail™ links together certified dark-sky parks, dark-sky communities, and astronomy-focused destinations across the state, creating a guide for exploring Colorado after sunset. The Colorado Stargazing Trail is also a natural companion to our annual guide, Where to Explore the 2026 Denver…
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Trustee Emeritus Jack Eastman: More Than Half a Century with DAS

During the Open House on May 23, 2026, at Chamberlin Observatory, longtime Denver Astronomical Society member Jack Eastman was honored with special recognitions celebrating his decades of service to astronomy and to the Society. Since Jack was unable to attend the DAS Spring Banquet earlier this year, the Open House became an opportunity to formally present him with the Society’s Trustee Emeritus Award, recognizing more than half a century of leadership, outreach, and dedication to amateur astronomy. Jack was also recognized as an outgoing Executive Board Trustee with a commemorative plaque and received an autographed photo from University of Denver…
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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.