Warren A Keller
Warren A. Keller is a world-renowned astro-imager (APOD, Sky & Telescope, Astronomy magazines, etc.) and teacher of image processing. He has presented at the Northeast, Midwest, and Advanced Imaging Conferences and has written extensively on the subject. He is a six-time Sky & Telescope author. Keller produced the definitive commercial video tutorial series for PixInsight and published the first edition of Inside PixInsight with Springer in 2016.
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