Arp 227 consists of two galaxies in the constellation Pisces: the large (250,000 light-years across) lenticular galaxy NGC 474 (also known as UGC 864) located about 93 million light-years away, and the spiral galaxy NGC 470 at about 95 million light-years away. They lie at a separation of about 160,000 light-years.
Group Of Galaxies Called "Stephan's Quintet" (Favored Object For Amateur Astronomers With Good Hobby Telescopes). The Quintet Is A Prototype Of A Class Of Objects Known As 'Compact Groups Of Galaxies' - NASA/ESA Hubble Space Telescope
The Whole Universe In ONE Photo: NASA recently unveiled a new atlas and catalogue of the entire infrared sky, which includes more than a half billion stars, galaxies and other objects captured by the Wide-field Infrared Survey Explorer (WISE) mission. It is comprised of more than 2.7 million images taken at four infrared wavelengths of light, capturing everything from nearby asteroids to distant galaxies.