Rosette Nebula
The Rosette Nebula is a large emission nebula located 3000 light-years away.
This video from images by the Spitzer Space Telescope
Credit:
NASA/JPL-Caltech/R. Hurt (SSC-Caltech)
http://ipac.jpl.nasa.gov/web_movies/pa/ssc2007-08v1_full.wmv