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.

  • Upcoming Events Through Apr 28

    Weekly Skywatching Tips from Sky & Telescope Apr 21-22: Lyrids Meteor Shower Peak Apr 23: NSN Webinar Series: All About That Space: Science Updates with Dr. Nicolle Zellner Apr 24: MakerSIG Meeting: Designing a Finder/Guide Scope Part 3 of 4: Assembly, Adjustments, and Field Testing Apr 27: Member’s In-Reach: Viewing Comet Trails with Amateur-Sized Telescopes w/David Chandler

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  • Accepting Scholarship Applications Through June 15!

    We are now accepting applications for Van Nattan-Hansen-Anderson Scholarship recipients for 2024. Established in 1973, the Denver Astronomical Society’s Van Nattan-Hansen-Anderson Scholarship (VNHA) supports graduating high school and undergraduate college students majoring in astronomy and the physical sciences. Each year, scholarships may be awarded to students in good academic standing who have demonstrated intent and merit to pursue a career in the physical sciences or mathematics. VNHA gives priority to students of astronomy, astrophysics, and related fields. To apply, applicants should complete the application process at THIS LINK starting April 1 each year. VNHA will only consider applicants whose applications we receive…

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  • Upcoming Events Through Apr 21

    Weekly Skywatching Tips from Sky & Telescope Apr 15: DAS General Meeting: Mysteries of the Sun – Open to the public! Apr 17: Astrophotography Special Interest Group Apr 18: Standley Lake Stargazing presents: Are We Alone? Apr 20-21: Northeast Astronomy Forum and Space Expo

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  • April 8 Eclipse FAQ

    Here are the current sky conditions and predictions for Chamberlin Observatory from our friends at ClearDarkSky.com. Click the image for a better view and more details. Q: Where is the watch party?A: Observatory Park (https://maps.app.goo.gl/HPCDvyWr5AxnyM5n8) Q: When do you open?A: This is an outdoor event. The Park is already “open”. Our volunteers will probably arrive to start setting up around 10am. The observatory building will be open for restrooms only around 11am. There will be no tours or access to the large telescope Q: Do you have eclipse glasses for sale?A: Yes, we have lots of eclipse glasses left. We…

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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