Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  Cigar galaxy  ·  M 82  ·  NGC 3034
Very deep M82, Colin McGill
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Very deep M82

Very deep M82, Colin McGill
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Very deep M82

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Famous "cigar" galaxy, M82.

This is a starburst galaxy, pushing clouds of glowing hydrogen out from the galactic centre, which is why Ha data produces such nice results.

I wanted to improve on my image from last year - I took a lot more subs, rejected those that weren't good, and used TGVDenoise to improve the smoothing.

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Very deep M82, Colin McGill