NGC 662 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: NGC 662

NGC 662

This Astrobin Debut Object is a small spiral galaxy located 250 million light years away in the constellation of Andromeda at a declination of +38 degrees. It is a magnitude 14 galaxy which spans 40 arc-seconds, slightly smaller than the planet Jupiter in our apparent view. This corresponds to a diameter of 50,000 light years.

The bright star in the frame is the magnitude 7 star HD 10617.

This object is a radio-loud active galaxy, one of the few which is not an elliptical. These types of galaxies have huge regions of radio emission extending well beyond the visible realm, believed to be powered by jets from an active galactic nucleus.

I imaged this galaxy because of its odd structure, which I saw in the Aladin sky atlas. It is hard to understand what is happening here. The bottom left half looks like a spiral galaxy, but then what is the upper right half which has several core-like bright areas? There appears to be several small dwarf galaxies nearby (3 and 4 o’clock), outside of the galaxy disk. I could not find a large telescope image of this object to help in understanding this structure.

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Edit - as discussed in the comments below, I now think that this is 2 interacting galaxies.

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Status	Advanced success
Started	...
Astrometry.net job	6422800
PixInsight job	9RVIA0LJQXMQ4129RV9WL9HEGPABQXR9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h44m35s.372
RA (top/left)	01h45m03s.829
RA (top/right)	01h44m06s.436
RA (bottom/right)	01h44m06s.994
RA (bottom/left)	01h45m04s.260

Dec (center)	+37°41′48″.12
Dec (top/left)	+37°45′51″.92
Dec (top/right)	+37°45′43″.67
Dec (bottom/right)	+37°37′44″.60
Dec (bottom/left)	+37°37′52″.27

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