NGC 3690A/B. Arp 296 и 299 (Vlad Onoprienko)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: NGC 3690

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NGC 3690A/B. Arp 296 и 299

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NGC 3690A/B. Arp 296 и 299

Two pairs of interacting galaxies from the Arp catalog (Arp 296 and 299) in the constellation Ursa Major.

Unfortunately, there are few amateur astrophotographs on them on the Web. The most impressive was this picture of @sydney. Thanks to him, I decided to shoot this object.

Colliding Galaxies of Arp 296 and Arp 299 (sydney) - AstroBin

Arp 296 is at the right of center in the image and consists of a quite distinct barred face-on spiral galaxy (PGC 35345) and a less distinct galaxy (PGC 2580146) exhibiting filamentary structure on either side. Arp 296 is much further away than Arp 299 at an approximate distance of 800 million light-years.

Arp 299 (parts of it also known as IC 694 and NGC 3690) is a pair of colliding galaxies approximately 134 million light-years away. Both of the galaxies involved in the collision are barred irregular galaxies. NGC 3690 was discovered on 18 March 1790 by William Herschel.It is not completely clear which object is historically called IC 694. According to some sources, the small appendage more than an arcminute northwest of the main pair is actually IC 694, not the primary (eastern) companion.

Enjoy!

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NGC 3690A/B. Arp 296 и 299

NGC 3690A/B. Arp 296 и 299

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NGC 3690A/B. Arp 296 и 299

NGC 3690A/B. Arp 296 и 299

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