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 ...

View Detail

August Night Sky Network: Seeing Double

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! August Night Sky Notes: Seeing Double By Kat Troche During the summer months, we tend to miss the views of Saturn, Jupiter and other heavenly bodies. But it can be a great time to look for other items, like globular star clusters such as Messier 13, open star clusters such as the Coma Star Cluster (Melotte 111), but also double stars! Mid-August night sky constellations with the following…
Click here to read more
DAS 75th Anniversary Proclamation

Denver Astronomical Society 75th Anniversary Milestones 1949 – Founded as the Denver Telescope Maker’s Club. During the early years of the club, meetings were held twice each month: one meeting at the then Denver Museum of Natural History, and the other at the University of Denver’s historic Chamberlin Observatory. 1951 – The name of the club was changed to Denver Astronomical Society. Membership in the early 1950s was about 30 individuals, and the group was very active in the community. 1954 (April 19) – Articles of Incorporation were filed by Kenneth Steinmetz, David Clow, Ralph Asbury, Ray Kramer, Robert Spalding,…
Click here to read more
Upcoming Events Through August 4: MakerSIG, Sandstone Ranch, Meteor Showers, Star Charts and more!

July 28-29: Meteor Shower Peak: alpha Capricornids (CAP) https://www.denverastro.org/events/meteor-showers-alpha-capricornids-cap July 31: MakerSIG Meeting https://www.denverastro.org/events/das-makersig-meeting-6/?occurrence=2024-07-31 Aug 2-4: DAS Dark Sky Weekend https://www.denverastro.org/events/dark-sky-weekend-das-members-only-7 Aug 3: DAS Dark Site Orientation (Members Only) https://members.denverastro.org/event-5647521 Aug 2 -OR- 3: Members Only: Milky Way Season – Viewing and Photographing Our Galaxy at Sandstone Ranch (Members Only) https://members.denverastro.org/event-5794554 JOIN DAS TODAY! https://www.denverastro.org/membership/ METEOR SEASON! Tips for Watching Meteors https://youtu.be/c8fgJZJ8Mx8 NASA Meteor Shower Portal https://meteorshowers.seti.org/ NASA Perseid Info Page https://science.nasa.gov/solar-system/meteors-meteorites/perseids/ SKY NOTES THIS WEEK Sky & Telescope “Sky at a Glance Through Aug 3 https://skyandtelescope.org/astronomy-news/observing-news/this-weeks-sky-at-a-glance-july-26-august-3-2/ AMS Meteor Activity Outlook for July 27…
Click here to read more
July 2024 picnic

Approximately 60 DAS members gathered outdoors at Chamberlin Observatory on July 20 for the annual club picnic, and to celebrate the 75th anniversary of the organization. Brothers BBQ was the caterer for the event, bringing three delicious meats and some sides, as well as lemonade and iced tea. DAS members brought some yummy side dishes too, and so many desserts! Setting the tone for the event was an ongoing playlist of astronomy-themed music supplied by Toby Sheets, who brought a first-rate audio setup with speakers, a mixer, and microphones. A few DAS members brought solar telescopes and set them up…
Click here to 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.

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.