Arp 5

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: NGC 3664

Arp 5

This Astrobin Debut Object is a spiral galaxy located 90 million light years away in the constellation of Leo at a declination of +3 degrees. This magnitude 13.2 galaxy, also known as NGC 3664, spans 2 arc-minutes in our apparent view, which corresponds to a diameter of 45,000 light years. This galaxy was classified by Dr. Arp into the category of Spiral Galaxies with Low Surface Brightness.

This galaxy is really messed up. The barred white core is off center to the right side. The arms are distorted beyond recognition. Star formation is occurring in the outer disk, particularly in the lower right portion. Something has interacted with this galaxy to cause this sever disturbance.

The faint galaxy at the bottom of the image, UGC 6418, is about the same distance away as Arp 5 and could be the cause of the disturbance. This small magnitude 15 dwarf galaxy also has a messy disk structure.

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Description: Comparison to Original Arp Image

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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	4352692
PixInsight job	UATXEHIY6GMVXQ624OMNJTQYSQBPSPXR
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	11h24m25s.527
RA (top/left)	11h25m00s.736
RA (top/right)	11h23m50s.670
RA (bottom/right)	11h23m50s.326
RA (bottom/left)	11h25m00s.979

Dec (center)	+03°19′26″.43
Dec (top/left)	+03°26′25″.26
Dec (top/right)	+03°26′20″.55
Dec (bottom/right)	+03°12′27″.38
Dec (bottom/left)	+03°12′32″.32

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