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: Week of Feb 25 – Mar 1

    All Week: Observing Opportunities Feb 26: E-Board Meeting via Zoom Feb 28: NSN Webinar Series: Astromycology in Space Exploration Feb 28: DAS MakerSIG Meeting Link for Members Mar 01: Zoom Event: Experiencing Totality – The Great Eclipse of 2024 Presented … Read More

    Click here to read more

  • Constant Companions: Circumpolar Constellations, Part I

    This article is distributed by NASA’s Night Sky Network (NSN). The NSN program supports astronomy clubs across the USA dedicated to astronomy outreach. Visit nightsky.jpl.nasa.gov to find local clubs, events, and more! By Kat Troche Winter in the northern hemisphere … Read More

    Click here to read more

  • Skyward for February 2024

    David H. Levy This month I have a story to tell.  A few nights ago two close friends from Plattsburgh, Ed Guenther and Wendy Gordon, enjoyed a very pleasant wintertime visit with me. During that time another close friend, David … Read More

    Click here to read more

  • When Technology Fails

    By Mike Hotka In this continuing series of articles, I want to discuss contingency plans. When I am having trouble with my smart phone, you will often hear me say, “Technology is wonderful when it works!”. Those of us who … Read More

    Click here to read more



The Chamberlin Observatory

Chamberlin Observatory Tours

The Denver Astronomical Society hosts weekly and monthly events* at the University of Denver’s historic Chamberlin Observatory, featuring its prized 1894 Alvan Clark-Saegmuller 20-inch refracting telescope. It 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 would like to make changes to make changes to your 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? Ever wonder if you can take similar images? Maybe you 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