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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Looking Beyond the Stars

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 Brian Kruse Looking up in awe at the night sky, the stars and planets pop out as bright points against a dark background. All of the stars that we see are nearby, within our own Milky Way Galaxy. And while the amount of stars visible from a dark sky location seems immense, the actual number is measurable only in the thousands. But what lies between the stars…
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Meteors scratch the sky

By David H. Levy Despite what you read online, it is possible to think of meteor watching as one of the most boring things you can do with the night sky. No cosmic connection, no postulating about the origins of the Universe, no understanding of what dark matter might entail. When we look for meteors, we are in our own celestial backyard. We usually do not even use a telescope or binoculars; it’s just sitting on a comfortable lawn chair and looking up at the sky. Even if we spot a shooting star as bright as the brightest of stars,…
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DAS member Ersel Serdar wins awards at ISEF

Our very own DAS member, Ersel Serdar, won two major awards this year at the Regeneron International Science and Engineering Fair (ISEF). It is the world’s largest and most prestigious pre-college STEM competition. Approximately 1700 students from 75 nations compete at the ISEF for scholarships and glory. The finalists who participate are selected from regional, district, and state ISEF-affiliated competitions, such as the Denver Metro Regional Science and Engineering Fair (DMRSEF). The 2023 Regeneron ISEF was held in Dallas, Texas, between May 14-19, 2023. Ersel was a finalist who represented Denver at the ISEF. He competed in the Engineering Technology:…
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Super Blue Sturgeon Moon

NASA Night Sky Notes – August 2023 edition 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 Vivian White On August 1st, catch a full Moon rising in the east just 30 minutes after sunset. We are seeing the entire sunlit side of the Moon as it is nearly (but not quite) in line with the Sun and Earth. The Farmers’ Almanac calls this month’s Moon the “Sturgeon Moon”, for the time of year when this…
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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.