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Brad Wallis and Robert Provin

Brad Wallis and Robert Provin, authors of "A Manual of Advanced Celestial Photography" have a comprehensive web site with lots of great images and links to their own web pages at:

Wallace & Provin page: http://geogdata.csun.edu/~voltaire/wallis_provin.html

Provin's home page: http://geogdata.csun.edu/~voltaire/

Wallace's home page: http://www.frazmtn.com/~bwallis/

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