The DAS: One of the nation's largest and most active astronomical societies ... since 1949!
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Welcome to the Denver Astronomical Society
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M33 - Triangulum Galaxy
© 2014 Darrell Dodge

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The Denver Astronomical Society (DAS) promotes the enjoyment and understanding of astronomical phenomena, history and lore by providing educational and observing opportunities for our members, education to the general public, and outreach activities at the University of Denver’s Historic Chamberlin Observatory, schools, and nature centers.

DAS monthly meetings feature outstanding presentations on a wide array of astronomical and space-science topics and are open to the public (except for society functions in March and December.) All of these meetings feature social opportunities. Members in good standing have full access to our Edmund G. Kline Dark Site near Deer Trail, Colorado.

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9/27 Lunar Eclipse
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August 2015
7 E-Board Meeting - At DU's Historic Chamberlin Observatory, 7:30 pm
15-16 Dark Sky Weekend - EGK Dark Site & Brooks Observatory
22 Open House - DU's Historic Chamberlin Obs -  Starts at 8:30 pm
28 DAS General Meeting - at DU's Olin Hall, 7:30 pm
Dr. Fran Bagenal - Pluto Flyby - Latest Results
September 2015
4 E-Board Meeting - At DU's Historic Chamberlin Observatory, 7:30 pm
11-13 Dark Sky Weekend - EGK Dark Site & Brooks Observatory
12-20 Okie-Tex Star Party
Kenton, OK
19 Open House - DU's Historic Chamberlin Obs -  Starts at 8:30 pm
25 DAS General Meeting - at DU's Olin Hall, 7:30 pm
John Bally, CU-Boulder
27 Solar Day @ DMNS - 10 am - 4 pm
27 Total Lunar Eclipse - Open House - DU's Historic Chamberlin Observatory - Starts at 6:30 pm
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Public Nights
Tuesday and Thursday at
DU's Historic
Chamberlin Observatory

 Current start time is 8:30 pm
Costs to the public are:
$4.00 adults, $3.00 children
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ONLINE Reservations
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The society’s public and education outreach activities reach over 6,000 children and adults each year, and include twice-weekly public observing nights and monthly open house star gazing nights at Chamberlin Observatory. The DAS also hosts events to access special astronomical phenomena such as eclipses, comets, close planet approaches, and the June 6, 2012 Transit of Venus.

NSN LogoThe DAS is an active participant in the NASA/JPL Night Sky Network of astronomical observing clubs.

Each Fall, the DAS promotes Colorado Astronomy Day on the fall National Astronomy Day, in association with the University of Denver, the Denver Museum of Nature and Science, and other Colorado astronomical societies.

The Society’s Van Nattan-Hansen Scholarship Fund provides support to qualifying Denver-area students seeking degrees in astronomy, space-science and related programs.

The DAS is also active in the preservation of Chamberlin Observatory, spearheading the drive for its listing in the National Register of Historic Places and promoting recent renovation activities by the University of Denver.

The DAS is a proud member of the Astronomical League, Mountain Astronomical Research Section (MARS), and all members of the society are members of the AL and entitled to its benefits.

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The Denver Astronomical Society

PO Box 102738
Denver, Colorado 80250

Chamberlin Observatory: (303) 871-5172
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