Link: Calendar: 2013 | ESA/Hubble

A calendar featuring Hubble’s most amazing pictures of the last year is now available to download for free. With pictures of galaxies, stars and nebulae, the 2013 Hubble Space Telescope calendar is guaranteed to brighten up every month.

The calendar is available to download in a number of formats including PDF, JPEG and TIFF, and can easily be printed at home or at a print shop, as it is made available under a Creative Commons License
January 2013: