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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Seeking External Outreach Co-Coordinator!

About the External Outreach Program: Denver Astronomical Society supports outside, independent educational astronomy and observing activities. We help organize educational star parties for school, church, civic, corporate, and other public and private events. DAS provides telescope operators, docents, and speakers for lectures on astronomy. **** DAS’s External Outreach Team has been very busy this year, and that activity level is expected to continue for the foreseeable future. We need a volunteer co-coordinator to work with our existing coordinator. Here are some of the responsibilities of the position: Receive emails about Outreach requests and communicate with public Schedule, gather volunteers, and…
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Skyward for November 2024

David H. Levy Palomar Mountain Observatory. Last month I drove all the way from my Vail, Arizona home to Palomar Mountain Observatory. As most of this column’s readers know, I have visited this place many dozens of times from my first encounter in March of 1974, and regularly from the late summer of 1989 to the late spring of 1996. I have always loved this magical place. Each visit, as I would drive in, I would pass the expansive dome of the mighty 200-inch Hale Telescope. As I drove by I felt the telescope waving at me. It and I…
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November’s Night Sky Notes: Snowballs from Space

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 If you spotted comet C/2023 A3 (Tsuchinshan-ATLAS) in person, or seen photos online this October, you might have been inspired to learn more about these visitors from the outer Solar System. Get ready for the next comet and find out how comets are connected to some of our favorite annual astronomy events. Comet Composition A comet is defined as an icy body that is small…
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Skyward for October 2024

by David H. Levy Morello’s outline there is wrongly traced, His hue mistaken; what of that? or else, Rightly traced and well ordered; what of that? Speak as they please, what does the mountain care? Ah, but a man’s reach should exceed his grasp, Or what’s a heaven for? Robert Browning, Andrea del Sarto, 1855. Decades ago during the fall of a year that I recall might have been 1972, I attended Yom Kippur services at our family synagogue in Montreal, Congregation Shaar Hashomayim. The Congregation had instituted a new feature that year, a Yom Kippur Teach-in. I decided to…
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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.