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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October’s Night Sky Notes: Catch Andromeda Rising!

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 Dave Prosper Updated by Kat Troche If you’re thinking of a galaxy, the image in your head is probably the Andromeda Galaxy! Studies of this massive neighboring galaxy, also called M31, have played an incredibly important role in shaping modern astronomy. As a bonus for stargazers, the Andromeda Galaxy is also a beautiful sight. Spot the Andromeda Galaxy! M31’s more common name comes from its parent constellation,…
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Milky Way Event at Sandstone Ranch

On August 30, nearly 40 people from the DAS and Douglas County enjoyed a perfectly clear dark sky filled with stars, the Milky Way, and at least half a dozen large meteors. These were no shooting stars; they were chunks of space rock that broke into smaller pieces as they burned up, delighting those who were fortunate enough to be looking in the right direction. Photos courtesy of Trish Kakenmaster.
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Upcoming Events Through Sept 15

Mon: Denver Astro General Meeting: Free and Open to the Public https://www.denverastro.org/events/general-meeting-9/?occurrence=2024-09-0 Sat: Denver Astro Open House Star Party at Chamberlin Observatory https://www.facebook.com/events/1669756047137558 ——- Not sure what to look at this month? Check out some of these great stargazing resources: American Meteor Society: Meteor Activity Outlook for September 7-13, 2024 https://www.amsmeteors.org/2024/09/meteor-activity-outlook-for-september-7-13-2024/ Sky & Telescope: Week at a Glance Sept 6-15 https://skyandtelescope.org/astronomy-news/observing-news/this-weeks-sky-at-a-glance-september-6-15/ SkyMaps.com – Sky Maps https://www.skymaps.com/skymaps/tesmn2409.pdf -Sky Calendar https://www.skymaps.com/articles/n2409.html Earth & Sky: September Night Sky Planner https://earthsky.org/astronomy-essentials/visible-planets-tonight-mars-jupiter-venus-saturn-mercury/ NASA – Night Sky Network: Marvelous Moons https://nightsky.jpl.nasa.gov/news-display.cfm?News_ID=1092 – What’s Up! September 2024 Skywatching Tips from NASA https://www.youtube.com/watch?v=bLhVllgLZ94&t=5s – Betelgeuse! Betelgeuse! Betelgeuse! Stargazers…
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Skyward for September 2024

By David H. Levy The 2024 Adirondack Astronomy Retreat. Come gentle night, come loving black-brow’d night, Give me my Romeo, and when I shall die, Take him and cut him out in little stars, And he will make the face of heaven so fine That all the world will be in love with night, And pay no worship to the garish sun. For the first time in the almost two years since my wife Wendee died in September 2022, at this year’s Adirondack Astronomy Retreat, at last I felt that life was returning to my bones. We did not have…
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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.