The Cigar Galaxy M82, NGC 3034 (Marc Dickinson)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Cigar Galaxy · IC 4475 · M 82 · NGC 3034

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The Cigar Galaxy M82, NGC 3034

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The Cigar Galaxy M82, NGC 3034

I made this image way more of a challenge than it needed to be. Started off by experimenting with taking RGB data during a full moon on 03/16/2022, that didn't work, a lot of gray subs so I tossed that data. Did narrow band Ha on 03/24/2022, that work nicely. The rest was essentially without the moon but had wind. I left the dew shield on which wasn't necessary because when it was breezy the dew wasn't a problem. But the dew shield with the wind was a problem, a lot of shaky subs. On the nights when I left the dew shield off the wind went away so the corrector plate dewed-up around 1:00 am. Ended up with enough okay-data for 15 h integration. Then I discovered something was wrong with my flats, they over corrected. So I did the processing without flats and instead used DBE. After I finished processing, I figured out what I did wrong with the flats. Despite all the mistakes, overall I was satisfied with the image.

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Status	Advanced success
Started	...
Astrometry.net job	5646000
PixInsight job	3V01IPI3EXKBXCQOO2U70DWSL00JAYZE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m49s.143
RA (top/left)	09h53m17s.105
RA (top/right)	09h58m15s.644
RA (bottom/right)	09h58m23s.129
RA (bottom/left)	09h53m20s.658

Dec (center)	+69°41′19″.87
Dec (top/left)	+69°33′07″.20
Dec (top/right)	+69°32′27″.85
Dec (bottom/right)	+69°49′20″.82
Dec (bottom/left)	+69°50′03″.69

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The Cigar Galaxy M82, NGC 3034

The Cigar Galaxy M82, NGC 3034

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The Cigar Galaxy M82, NGC 3034

The Cigar Galaxy M82, NGC 3034

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