The Plugin Site

Read
http://www.spacetelescope.org/news/html/heic0412.html
and
http://www.spacetelescope.org/projects/fits_liberator/

and download at
http://www.spacetelescope.org/projects/ ... nload.html

For many years astronomical images from the world’s telescopes were
reserved for an elite of astronomers and technical people. Now anyone
with a desktop computer running Adobe® Photoshop® software can try
their hand at crafting astronomical images as beautiful as those from the
Hubble Space Telescope. This free software plug-in, makes a treasure trove
of archival astronomical and spectra from the NASA/ESA Hubble Space
Telescope, the European Southern Observatory's Very Large Telescope,
the European Space Agency’s XMM-Newton X-ray observatory, NASA’s
Spitzer Space Telescope and many other famous telescopes accessible
to home astronomy enthusiasts.

The ESA/ESO/NASA Photoshop FITS Liberator works on Windows PCs
and Macs (OS X 10.2+) and is optimised for Photoshop CS, but also works
in Photoshop 7.0 (only 15 bit support) and Photoshop Elements 2 (only 8 bit support).