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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Astro Update – March
Astronomy and space news summarized by Don Lynn from NASA and other sources Perseverance Lands – NASA’s latest planetary mission, a rover named Perseverance, landed on Mars February 18. The rover weighs over a ton on Earth, and is seven … Read More
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2021 DAS Election Results
By Dena McClung The Denver Astronomical Society 2021 Executive Board Election wrapped up at 9 p.m. on February 26, during the February Annual Meeting, with both the meeting and the election held online. For the first time, members were able … Read More
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Astro Update – February
Astronomy and space news summarized by Don Lynn from NASA and other sources Supernova Age – A new analysis of a supernova remnant in the Small Magellanic Cloud by scientists at Purdue University shows that the supernova should have been … Read More
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Astro Update – January
Astronomy and space news summarized by Don Lynn from NASA and other sources Dark Matter Mystery Solved – In 2018 and 2019, astronomers reported finding two small galaxies that appeared to have little if any dark matter. This is unusual … Read More

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.
