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| A Mosaic of the Hydrogen Sky |
| Dennis DiCicco |
| Thursday, Sep 13, 2012 at 8:00 PM |
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| Our speaker for September will be longtime ATM member and former club president, Dennis diCicco who began building telescopes and photographing the skies in the early 1960s. His job as an editor at Sky & Telescope magazine gave him early access to CCD cameras as they were introduced to the amateur astronomy market in the late 1980s, and he’s been heavily involved with digital imaging ever since.
Several years ago Dennis teamed up with his colleague Sean Walker to begin a long-term project of mapping the Milky Way’s large-scale nebulous structure with deep hydrogen-alpha exposures made from his backyard observatory in Boston’s western suburbs. One result is a 400 megapixel mosaic covering the winter Milky Way from Perseus to Puppis. Done during the winter of 2009/10, the mosaic involves nearly 130 hours of exposure and a similar amount of time processing and combining the images. It shows the sky as you’ve never seen it before! His heavily illustrated talk will chronicle the project as well as a follow-up effort for next winter to photograph selected regions of the mosaic with greater detail and exposures that go even deeper.
Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. |
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