Denver Astronomical Society


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  • 22 Aug 2019 6:20 PM | Zachary Singer

    I had the chance to "fly" the DAS 444, the Society's 17.5-inch Dobsonian, a few weeks ago, on its first dark-sky test--the telescope will soon be available to experienced DAS members.

    The 444 is a real beauty, with power to spare and movements as creamy as butter. Stuart Hutchins and Digby Kirby worked hard on this, and it shows. 

    As the 'scope was just out for a short "test hop" the night I came to the dark sky site, we hit a few of the usual suspects--M31 (the Andromeda Galaxy), M57 (Ring Nebula), and so forth. The 444 easily showed M31's dark lanes with a 35mm eyepiece, at roughly 60x; the field was wide enough to include the satellite galaxy, M110, as well. The dark lanes were even easier with a 21mm eyepiece at about 95x. 

    M110 itself revealed much more detail than I am used to seeing in my 12-inch. With the 21mm in the 444, M110 clearly displayed structure, with a distinct inner core and extended halo. Usually, this small galaxy is an afterthought while viewing M31, but with the big 'scope, it was a beautiful object on its own. 

    Though the Ring Nebula is visible even in a 4-inch Mak, the 444 has enough oomph to project a notably large and bright image, easily viewed with direct vision--it was lovely. 

    If you haven't heard, the 444 won recognition at the recent Rocky Mountain Star Stare, and for good reason, I think. Still, the real proof of any telescope is in its images, and this one truly shines. My hat is off to these two fellows for the work they've put in, and for the quality of the result. We are very fortunate to have this instrument.  

    Experienced DAS observers interested in training (or those just wanting to check the 444 out), get in touch with Digby Kirby: or 970-301-2287.

    --Zach Singer

  • 19 Aug 2019 2:04 PM | July Candia

    External Outreach events are posted for August and September. Please see the OUTREACH FORUM.

    We would love to have new volunteers. We have enthusiastic DAS mentors available for you. You will meet new people from all backgrounds and you may actually have fun too! 

  • 20 Jul 2019 2:16 PM | Ed Ladner

    "Please, everyone, consider volunteering at future outreach events. It's a wonderful way to get to know your fellow DAS members, share your knowledge, and learn from others. The following quote, attributed to Aristotle, seems relevant:

    “The more you know, the more you know you don't know.”

    So, let's just volunteer no matter how much or how little we know! We're bound to benefit ourselves in the long run and help DAS in furthering their mission of spreading interest in exploring and enjoying the wonders of the universe."

    -- Mary Ann Wallace

  • 17 Jun 2019 12:28 PM | July Candia

    *Call for Volunteers for the 125th Chamberlin/Apollo 11 50th Anniversary Celebration, July 13, 2019*

    10:00 AM - 2:00 PM: Solar scopes, kids' and adult activities, Chamberlin Tours, Speakers, and any other activity volunteers might like to provide related to Chamberlin History, the moon, astronomy, or Apollo 11.

    4:00 PM: DAS Member Picnic, Chamberlin

    8:30 PM - 11:00 PM: Open House as usual: lawn telescopes, tours.

    Guest Speaker at 8:30 PM: Richard Blake of STEMPunk: Apollo 11 Mission: "Fly Me to the Moon"



    Johnny and Eileen Barela (10:00 - 2:00 PM): Variety of kid's astro-activities

    Speakers (10:00 - 2:00 PM): Ken Sturrock: Chamberlin History; Dave Tondreau: Moon and/or Apollo 11; July Candia: Women Astronauts & Astronomers

    Tours: Brad Gilman (day and night), Joe Godwin-Austen (day), Ron Rhranac

    Replay Video on Chamberlin Observatory (no sound; day and night) and Chamberlin Posters: Bill Kast and Dr. Stencel

    Chamberlin and Apollo 11 Stickers: Jason Cordova

    Card Board Astronaut Pictures (day): Provided by Mile High Astronomy


    *We need more volunteers for TOURS, SOLAR TELESCOPES, & evening telescopes as usual, and fun/engaging outside ACTIVITIES/TABLES for both adults and children. We are also in need of a day time PHOTOGRAPHER to provide pics with the Clark-Saegmuller telescope. 

    One activity that would be fun: the plastic golf ball as an "eyeball" that burns up w/o a solar filter when placed at the telescope eyepiece.

    Please respond under the Outreach Portal if you would like to volunteer. Thanks!

    Volunteers are encouraged to dress in Steam Punk/Victorian costumes!

  • 12 Jun 2019 5:11 PM | July Candia

    The Denver Museum of Nature and Science will have a SCFD Free Night on Tuesday, July 2 from 5pm-10pm. Telescope volunteers are needed. Please see the Outreach Forum to volunteer for this event (and other events in July). Or just come for a night at the museum! 

  • 6 Jun 2019 9:12 AM | Anonymous member (Administrator)

    Here's a link to the story from 5280 Magazine:

  • 17 May 2019 3:55 PM | July Candia

    Professor Brad Gibson, University of Hull, Great Britain: "Are We Alone in the Universe?"... honoured to be delivering a public talk on the topic, in Denver, on May 17th @ 7:30pm. Fun & thought-provoking; come hear me @UofDenver at the Denver Astronomical Society; details: @denverastro@CityofDenver@DPSNewsNow

  • 17 May 2019 3:52 PM | July Candia

    June 2019 Outreach Events Posted under the "Outreach Events" Forum. Please reply if you would like to volunteer. Thanks!

  • 6 May 2019 3:22 PM | Anonymous member (Administrator)

    Join volunteer members of the DAS for an evening of sky viewing at DU's Historic Chamberlin Observatory, located at 2930 E Warren Avenue in Denver.  Member telescopes, including a section designated as "Learners' Land," will be available for viewing on the south lawn, as well as Chamberlin's 1894 20" refractor in the dome. Open House begins at 8:00 p.m. but members are welcome to set up their telescopes well in advance.

  • 25 Apr 2019 11:06 AM | Anonymous member (Administrator)

    "Locating the Apollo Landing [sites] via the Lunar Elephant" is the topic for the In-Reach event this Saturday, April 27.  We'll meet at 7:30 p.m. at DU's historic Chamberlin Observatory to learn and share.

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