ARP 240 NGC 5257 NGC 5258 Colliding Galaxies (Jerry Macon)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: NGC 5257 · NGC 5258

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ARP 240 NGC 5257 NGC 5258 Colliding Galaxies

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ARP 240 NGC 5257 NGC 5258 Colliding Galaxies

Images from the following two scopes (piggybacked) contributed to this image:

AG12+ASI1600MM at .70 asec/pix (L)

TV127is+ASI183MM at .75 asec/pix. (RGB)

They were all registered to the best R image taken on the AG12.

This image was unguided.

Arp 240 is a pair of interacting spiral galaxy located in the constellation Virgo. The two galaxies are listed together as Arp 240 in the Atlas of Peculiar Galaxies. The galaxy on the right is known as NGC 5258, while the galaxy on the left is known as NGC 5257. Both galaxies are distorted by the gravitational interaction, and both are connected by a tidal bridge, as can be seen in images of these galaxies.

Distance from Earth 345 million light years.

(Wikipedia)

Arp 240 is an astonishing galaxy pair, composed of spiral galaxies of similar mass and size, NGC 5257 and NGC 5258. The galaxies are visibly interacting with each other via a bridge of dim stars connecting the two galaxies, almost like two dancers holding hands while performing a pirouette. Both galaxies harbour supermassive black holes in their centres and are actively forming new stars in their discs. Arp 240 is located in the constellation Virgo, approximately 300 million light-years away, and is the 240th galaxy in Arp's Atlas of Peculiar Galaxies.

(NASA)

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Status	Advanced success
Started	...
Astrometry.net job	3086510
PixInsight job	IWUZHXA6N3ID9KDZ22ITT4BY78DPAXOZ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h39m48s.299
RA (top/left)	13h38m55s.475
RA (top/right)	13h40m38s.169
RA (bottom/right)	13h40m41s.135
RA (bottom/left)	13h38m58s.420

Dec (center)	+00°47′48″.74
Dec (top/left)	+00°39′20″.59
Dec (top/right)	+00°38′18″.18
Dec (bottom/right)	+00°56′16″.87
Dec (bottom/left)	+00°57′19″.20

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ARP 240 NGC 5257 NGC 5258 Colliding Galaxies

ARP 240 NGC 5257 NGC 5258 Colliding Galaxies

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ARP 240 NGC 5257 NGC 5258 Colliding Galaxies

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