Spitzer colours of everything in the universe

This is a conference proceeding from the 2010 "From Stars to Galaxies" conference. The poster and its one-page version are spitzer_colours_poster.pdf, spitzer_colours_1page.pdf. The tarfile spitzer_colours.tar.gz contains the individual figures, data files, Python plotting code needed to re-create the figures, and a .bib file. If you use these data please don't forget to cite the original papers; the conference proceeding link is http://adsabs.harvard.edu/abs/2010fsgc.confE.109B