1 | Introduction
2 | The Basic Process
3 | Image Processing Programs
4 | Artifacts
5 | Related Links
Links to more information about digital images and making color pictures (by no means exhaustive):
Image Processing Resources for Astronomy Teaching:
http://www.phy.duke.edu/~kolena/imagepro.html
NASA’s Hubble Space Telescope information page on image processing and making color images:
http://hubblesite.org/gallery/behind_the_pictures/
ESA’s Hubble Space Telescope information page on image processing and making color images:
http://www.spacetelescope.org/projects/fits_liberator/improc/
Chandra X-Ray Observatory’s tutorial on image processing and making color images (using GIMP):
http://chandra.harvard.edu/photo/tutorial.html
PhET's Color Vision simulation:
http://phet.colorado.edu/en/simulation/color-vision
Causes of Color:
http://www.webexhibits.org/causesofcolor/1BA.html
An article about other free image processing programs (that don’t necessarily recognize FITS images):
http://www.unplggd.com/unplggd/roundup/10-free-photoshop-alternatives-for-mac-amp-pc-145709
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