NIGHT OVER ONTARIO

These photos were taken by Lynn Hilborn of Grafton, Ontario.
Pictures have appeared on the cover and inside editions of SkyNews magazine and in Sky & Telescope and Astronomy magazine, and as NASA's Astronomy Picture of the Day. A recent magazine article on my photography https://db.tt/cheeeuCe

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Thor's Helmet by Lynn Hilborn - Whistlestop Observatory, Grafton Ontario. (Photo appeared in March/April 2011 SkyNews magazine).<br />
This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor's Helmet. Thor's Helmet is about 30 light-years across. In fact, the helmet is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. Known as a Wolf-Rayet star, the central star is an extremely hot giant thought to be in a brief, pre-supernova stage of evolution. Cataloged as NGC 2359, the nebula is located about 15,000 light-years away in the constellation Canis Major. (Text adapted from Astronomy Picture of the Day)<br />
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3 hours of Ha, 4x5m RGB each, all binned 2x2. Shot at f10, C9.25 and ML8300 camera. February 6 and 7, 2010.

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Thor's Helmet by Lynn Hilborn - Whistlestop Observatory, Grafton Ontario. (Photo appeared in March/April 2011 SkyNews magazine).
This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor's Helmet. Thor's Helmet is about 30 light-years across. In fact, the helmet is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. Known as a Wolf-Rayet star, the central star is an extremely hot giant thought to be in a brief, pre-supernova stage of evolution. Cataloged as NGC 2359, the nebula is located about 15,000 light-years away in the constellation Canis Major. (Text adapted from Astronomy Picture of the Day)

3 hours of Ha, 4x5m RGB each, all binned 2x2. Shot at f10, C9.25 and ML8300 camera. February 6 and 7, 2010.