NGC 660 - Polar Ring Galaxy in PSc. (astroeyes)

Celestial hemisphere: Northern · Constellation: Pisces (Psc) · Contains: NGC 660

NGC 660 - Polar Ring Galaxy in PSc., astroeyes

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NGC 660 - Polar Ring Galaxy in PSc.

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NGC 660 - Polar Ring Galaxy in PSc.

Last night in Weymouth was about as good as it gets here and I could actually see something below about 45 deg. I have been waiting a long time for such a night to image NGC 660 and decided to have a go while conditions were favourable.

Not an Arp galaxy, NGC 660 is what is known as a 'polar-ring' galaxy and has probably formed as a result of 2 galaxies colliding at some time in the past. It can be found in Pisces not far from the famous but faint and difficult, M74. It's probably not actually a very large galaxy physically, because it is quite close, though it's exact distance is not accurately know. Probably somewhere between 20 and 50 MLy distant would be most likely.

Because of the inclination of the 2 galaxies at the point where they collided, the dust lanes forming the big 'X', is offset to one side but you can still trace the faint extent of the 'ring' around the galaxy. It would be a magnificent sight if it was a little closer to us.

The 2 galaxies have formed 1 galaxy which is now a very active starbust galaxy, classification SBa pec. Mag. 11.2, surface brightness 15.4.

My image, 50 x 2 min sub exposures sigma combined to get rid of the hot pixels. Processed in AstroArt3 and PixInsight using dbe to get rid of the gradient due to it being a bit low in the sky for me.

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Status	Basic success
Started	...
Astrometry.net job	6590884
PixInsight job	n/a
PixInsight queue size	n/a
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NGC 660 - Polar Ring Galaxy in PSc.

NGC 660 - Polar Ring Galaxy in PSc.

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NGC 660 - Polar Ring Galaxy in PSc.

NGC 660 - Polar Ring Galaxy in PSc.

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