This map of the farside of the moon is based on LROC data provided courtesy of NASA/GSFC/Arizona State University.  This
 data is based on images from the Lunar
 Reconnaissance Orbiter's Wide Angle Camera.
 The data was then processed by John van Vliet and made available under the
 Creative Commons cc-by-sa 3.0 license (http://creativecommons.org/licenses/by-sa/3.0/).
 It was further processed by Omega Centauri Software, and is still covered by the
 cc-by-sa 3.0 license.  Creative contributions copyright (c) 2008-2011 John van Vliet
 (http://www.celestiamotherlode.net/catalog/moon.php).
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The projection is orthographic.