Stephan's Quintet: FSQ-106 and 2400MC Pro (base16)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: HD213559 · HD213560 · HD213596 · HD213643 · HD213721 · HD214089 · HD214200 · HD214201 · HD214313 · HD214412 · HD214576 · HD214667 · HD215213 · NGC 7315 · NGC 7317 · NGC 7318 · NGC 7319 · NGC 7320 · NGC 7331 · NGC 7333 · NGC 7335 · NGC 7337 · NGC 7338 · NGC 7340 · NGC 7342 · NGC 7343 · NGC 7345 · Stephan's Quintet

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Stephan's Quintet: FSQ-106 and 2400MC Pro

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Stephan's Quintet: FSQ-106 and 2400MC Pro

Stephan's Quintet is a visual grouping of five galaxies of which four form the first compact galaxy group ever discovered. The group is the most studied of all the compact galaxy groups. Four of the five galaxies in Stephan's Quintet form a physical association, a true galaxy group, Hickson Compact Group 92, and will likely merge with each other. Radio observations in the early 1970s revealed a filament of emission which lies in inter-galactic space between the galaxies in the group. Space telescopes have provided new insight into the nature of the filament, which is now believed to be a shock-wave in the intergalactic gas, caused by one galaxy (NGC 7318B) falling into the center of the group at several millions of kilometres per hour.

Imaged from a B3 site.. but had severe vignetting to deal with given I didn't have an option to shoot flats. I cropped the edges slightly to get rid of stacking artifacts, but otherwise this is only slightly less than the full frame FoV.

155x2min subs at 158 gain, bin1, cooled to 0deg. No filters.

Original
Final
B

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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	6226450
PixInsight job	GHOWUIRB5C4YDNIZ44L95M7WFAPI22UP
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h37m12s.86
RA (top/left)	22h40m22s.84
RA (top/right)	22h45m07s.28
RA (bottom/right)	22h33m53s.11
RA (bottom/left)	22h29m35s.33

Dec (center)	+34°23′30″.3
Dec (top/left)	+32°18′01″.8
Dec (top/right)	+35°52′32″.6
Dec (bottom/right)	+36°28′50″.1
Dec (bottom/left)	+32°52′38″.7

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Stephan's Quintet: FSQ-106 and 2400MC Pro

Stephan's Quintet: FSQ-106 and 2400MC Pro

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Stephan's Quintet: FSQ-106 and 2400MC Pro

Stephan's Quintet: FSQ-106 and 2400MC Pro

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