A galaxy duo collectively called Arp 142. The pair contains the disturbed, star-forming spiral galaxy NGC 2936, along with its elliptical companion, NGC 2937 at lower left. The bluish galaxy, UGC 5130, is not related with Arp 142 and is much closer to our galaxy than the colliding pair.
Credit: NASA, ESA, The Hubble Heritage Team (STScI/AURA)
Source: http://www.nasa.gov/mission_pages/hubble/science/colliding-galaxies-arp142.html