Volunteering is a great way to learn and enrich your own astronomical knowledge
Eagle Nebula by Bill Hughes
Learn more about the night sky through DAS events
DU’s historic Chamberlin Observatory continues to delight visitors
Astrophotos by our members bring deep sky wonders up close
2026 VNHA Scholarship - Apply by June 15th!

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.

July

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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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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Upcoming Events Through Apr 13th

Apr 5-14: Sky & Telescope Sky Map Apr 6-13: International Dark Sky Week Apr 8: Solar Eclipse Watch Party at Chamberlin Observatory Apr 13: Open House at the Chamberlin Observatory
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Night Sky Notes – April 2024

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! Participate in Eclipse Science By Kat Troche April is NASA’s Citizen Science Month, and there is no shortage of projects available. Here are some citizen science projects that you can participate in on April 8th, on and off the path of totality right from your smartphone! Eclipse Soundscapes, ARISA Lab / NASA Eclipse Soundscapes Eclipse Soundscapes will compare data from a 1932 study on how eclipses affect wildlife…
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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.