NGC 474, NGC 470 (Arp 227) and NGC 467 (Sergey Trudolyubov)

Celestial hemisphere: Northern · Constellation: Pisces (Psc) · Contains: NGC 467 · NGC 470 · NGC 474

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NGC 474, NGC 470 (Arp 227) and NGC 467

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NGC 474, NGC 470 (Arp 227) and NGC 467

A spectacular interacting galaxy pair, NGC 474/NGC 470 (Arp 227), 100 million light years away. NGC 474 is an elliptical galaxy with prominent shell and tidal tail structure, thought to be a result of past merger with a smaller galaxy and an ongoing interaction with its neighbor, NGC 470. The outer portions of the NGC 474 tidal envelope are probably formed by the material lost by NGC 470, while the inner shells seem to be a result of a minor merger a few billion years ago. Also seen in the image is a more distant (~240 million light years away) lenticular galaxy NGC 467 that shows multiple shells and tidal tails.

This LRGB image was created using the data collected with my mobile setup, the 10" f/4 Lacerta PhotoNewton and ZWO ASI294MM Pro camera riding on the Orion HDX-110 EQ-G mount.

Original
Final
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C
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E

B

Description: Darker background

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C

Description: Different image orientation, 45 degree angle.

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D

Description: Same as version C, but with darker background

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E

Description: Inverted B&W image showing the shell structure and tidal tails of NGC 474 and NGC 467

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Fast Newtonians
Arp's Peculiar Galaxies
ZWO ASI294MM Pro Images

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Status	Advanced success
Started	...
Astrometry.net job	5308318
PixInsight job	K9KNWKBJZVPAWVXVNMS2TLUX2033XTSK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h19m42s.676
RA (top/left)	01h20m46s.794
RA (top/right)	01h18m39s.383
RA (bottom/right)	01h18m38s.758
RA (bottom/left)	01h20m46s.290

Dec (center)	+03°22′24″.84
Dec (top/left)	+03°34′14″.12
Dec (top/right)	+03°34′26″.73
Dec (bottom/right)	+03°10′36″.88
Dec (bottom/left)	+03°10′22″.27

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NGC 474, NGC 470 (Arp 227) and NGC 467

NGC 474, NGC 470 (Arp 227) and NGC 467

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NGC 474, NGC 470 (Arp 227) and NGC 467

NGC 474, NGC 470 (Arp 227) and NGC 467

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