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RE: NGC 7252
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NGC 7252

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Arp 226
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NGC 7252 (also Atoms for Peace, Arp 226, ESO 533-15, IRAS 22179-2455, MCG -4-52-36 and PGC 68612) is a magnitude +12.7 face-on peculiar spiral galaxy located 220 million light-years away in the constellation Aquarius.

The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Clayhall Farm House in Old Windsor on the 26th October 1785.

Position (J2000): R.A. 22h 20m 44.8s  |  Dec. -24° 40' 42"

 It is also called Atoms for Peace galaxy, a nickname which comes from its loop-like structure, made of stars, that resembles a diagram of an electron orbiting an atomic nucleus.
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NGC 7252
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European Southern Observatory astronomers have produced a spectacular new image of the famous Atoms-for-Peace galaxy (NGC 7252). This galactic pile-up, formed by the collision of two galaxies, provides an excellent opportunity for astronomers to study how mergers affect the evolution of the Universe.
Atoms-for-Peace is the curious name given to a pair of interacting and merging galaxies that lie around 220 million light-years away in the constellation of Aquarius. It is also known as NGC 7252 and Arp 226 and is just bright enough to be seen by amateur astronomers as a very faint small fuzzy blob. This very deep image was produced by ESO's Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile.

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