The Orion Nebula seen with the infrared eyes of the WIYN High Resolution Infrared Camera (WHIRC) in the emission lines of HeI (1083 nm; blue), FeII (1644 nm; green), and H2 (2122 nm; red).
Credit:
D. Riebel (JHU), M. Meixner (STScI) and NOAO/AURA/NSF
http://www.noao.edu/image_gallery/html/im1055.html
SEDS M42 page:
http://www.seds.org/messier/m/m042.html
![[M42 in IR, WIYN]](http://messier.files.wordpress.com/2009/05/m42-200.jpg?w=128)