The spiral galaxy NGC 1672.
Source: http://hubblesite.org/newscenter/archive/releases/2007/15/ (direct link) http://www.spacetelescope.org/images/html/heic0706a.html. http://en.wiktionary.org/wiki/File:NGC_1672_HST.jpg
Author: NASA, ESA, and The Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration