NGC 7331; Stephan's Quintet Three images in One (James R Potts)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7315 · NGC 7317 · NGC 7318 · NGC 7319 · NGC 7320 · NGC 7331 · NGC 7333 · NGC 7335 · NGC 7336 · NGC 7337 · NGC 7338 · NGC 7340 · NGC 7343 · Stephan's Quintet

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NGC 7331; Stephan's Quintet Three images in One

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NGC 7331; Stephan's Quintet Three images in One

Captured this last night from my drive way. We had storms come through during the day, but it really cleared out the skies for the night. Had very good seeing, transparency was a 3 out of 7. It was really humid and I didn't have my Dew Heaters plugged in all the way, so I battled that during the middle of the night and lost a lost of exposures and exposure time, but end up with almost 5 hours and am very happy how this turned out. The stars are a bit blown out with halos, but any mask or star reduction I tried also impacted the galaxies, so I decided to live with halos and blown out stars, sorry!!!

NGC 7331 is around 49 million light years away and there are 4 faint companion galaxies viewable above NGC 7331 that are 310 to 430 million LYs away. Interestingly 7331 is one of the 18 key galaxies chosen to calibrate the galactic distance scale, using the Hubble Telescope.

Stephan's Quintet is obviously a group of 5 galaxies and within 4 arc minutes of each other. 4 of the 5 galaxies are in what is referred to as a "Cosmic Dance" and will most likely merger. NGC 7320 is in the foreground and is around 39 million LYs away, but the other 4 are 210 to 340 million LYs away.

I think there several galaxies that didn't get ID'd by the Plate solve, is there a way to edit the plate solve to get fainter items. I tried clicking all the advance plate solving and that identifies way too much info.

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Status	Advanced success
Started	...
Astrometry.net job	5062246
PixInsight job	A5DRISD8JR0JN7P3Z58HZUA8NVBXIZB4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h36m40s.24
RA (top/left)	22h38m55s.11
RA (top/right)	22h37m54s.31
RA (bottom/right)	22h34m23s.74
RA (bottom/left)	22h35m27s.10

Dec (center)	+34°21′03″.3
Dec (top/left)	+33°52′34″.2
Dec (top/right)	+34°57′55″.8
Dec (bottom/right)	+34°49′23″.7
Dec (bottom/left)	+33°44′08″.5

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NGC 7331; Stephan's Quintet Three images in One

NGC 7331; Stephan's Quintet Three images in One

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NGC 7331; Stephan's Quintet Three images in One

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