Arp 300 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa)

Arp 300

This Astrobin Debut Object is a pair of galaxies located 180 million light years away in the constellation of Ursa Major at a declination of +68 degrees. It was classified by Dr. Arp into the category of Double Galaxies.

The galaxy at lower right is UGC 5028. It has an apparent size of 35 arc-seconds and is 35,000 light years in diameter. Its larger companion at upper left is UGC 5029, with a diameter of 80,000 light years.

The structures of these galaxies are disturbed and asymmetric. Each galaxy has an odd coloring, with blue and yellow interspersed. My mind wants to connect this pair with a star stream bridge, but my eyes are saying that it isn’t quite connected.

There are several interesting linear features in and around these galaxies. These could be distant galaxies in the background, but I believe that these unusual features might belong to these 2 galaxies.

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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	4416974
PixInsight job	GUD171BBPCJ4G082CIHX3XG6HOJ48DU2
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	09h27m55s.565
RA (top/left)	09h29m07s.890
RA (top/right)	09h26m42s.552
RA (bottom/right)	09h26m43s.733
RA (bottom/left)	09h29m08s.980

Dec (center)	+68°25′10″.16
Dec (top/left)	+68°29′43″.49
Dec (top/right)	+68°29′37″.60
Dec (bottom/right)	+68°20′34″.62
Dec (bottom/left)	+68°20′40″.20

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Arp 300

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