Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  HD57057  ·  LBN 1040  ·  LBN 1041  ·  NGC 2359  ·  Sh2-298
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NGC 2359, Thor's Helmet, Bill Dirks
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NGC 2359, Thor's Helmet

Getting plate-solving status, please wait...
NGC 2359, Thor's Helmet, Bill Dirks
Powered byPixInsight

NGC 2359, Thor's Helmet

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Description

Very cool emission nebula with a bubble being created by the stellar wind of a large star, embedded in extended nebular arms that make it look like a helmet with wings. A similar phenomenon created NGC 7635, the Bubble Nebula.

Captured with a color camera and Antlia Triband filter over two nights. This is about the lowest declination I can manage from by back yard. I was surprised how sharp the image is given the low declination. Very happy with this result.

The above acquisition details include all captured exposures. The final image used
68 frames (of 95) x 300s @ Gain 200 @ -20C = 5h 40m exposure time

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NGC 2359, Thor's Helmet, Bill Dirks