Defeat at the hands of the Coddington Nebula (IC 2574) (estabrook)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Coddington's Nebula · HD90820 · IC 2574

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Defeat at the hands of the Coddington Nebula (IC 2574)

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Defeat at the hands of the Coddington Nebula (IC 2574)

Defeat at the hands of the Coddington Nebula (IC 2574). Since starting this hobby, I've found myself increasingly fascinated by galaxies, including the science behind their formation and shape. Although I've never quite had the focal length for it, I've always wanted to capture a dwarf irregular galaxy like Coddington's nebula.

The target is awkwardly placed for me: Although it remains high enough to capture for several hours a night, it never climbs quite high enough to escape the Washington, DC light dome--which adds to the challenge of capturing a small, faint, and amorphous target. So after collecting about 15 hours of data in Spring 2023, I still had to do quite a lot of work to process (or perhaps over-process) the image. I can be justly criticized for abusing NoiseXterminator on this one.

It was promising enough, but I thought I could do better, and I put it aside until 2024. This year, I collected another 15 hours of data, surely enough to improve it substantially. But I was wrong--the combined stack and my efforts to process it were both disappointing. It turns out that accumulating mediocre data has, at best, diminishing marginal returns.

So I present you with the image as it was captured and processed in 2023, and I concede defeat at the hands of the Coddington Nebula.

(Captured: Askar FRA500, AM5, ASI183MC Pro, Antlia Triband RGB Filter. Processed: AstroPixelProcessor, PixInsight, StarXterminator, NoiseXterminator, BlurXterminator)

The OSC Club (One Shot Camera)
ZWO ASI183/QHY183
Light Polluted skies
Virginia Astronomers and Astrophotographers
ZWO ASIAIR PRO USERS
NOVAC

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	8626539
PixInsight job	RNJ41EBRN07SULKQZB0DQUBNYMBTVW2D
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h28m17s.983
RA (top/left)	10h30m44s.148
RA (top/right)	10h33m37s.413
RA (bottom/right)	10h25m45s.244
RA (bottom/left)	10h23m04s.674

Dec (center)	+68°24′59″.25
Dec (top/left)	+67°55′49″.15
Dec (top/right)	+68°38′24″.92
Dec (bottom/right)	+68°54′00″.45
Dec (bottom/left)	+68°10′55″.82

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Defeat at the hands of the Coddington Nebula (IC 2574)

Defeat at the hands of the Coddington Nebula (IC 2574)

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Defeat at the hands of the Coddington Nebula (IC 2574)

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