Uncommon first edition of the Apollo 11 Lunar Module Descent Monitoring Chart showing landmarks of the moon's surface witnessed around the time of the LM Eagle's Power Descent Initiation (PDI), 48 x 12.5, titled in the lower right corner, "Edition 1, LM Descent Monitoring Chart - Sheet 2, 16 July 1969 Launch Date - Landing Site No. 2." The chart begins at four minutes before PDI and ends four minutes after, with the moment of PDI at the center. The planned LM descent path is printed as the center line, and expected viewing limits from the windows are printed in white. Lithographed by ACIC 7-69, and prepared under the direction of the Department of Defense by the Aeronautical Chart and Information Center. Rolled and in very good condition, with overall waviness, and some noticeable toning and chipping to edges. From the Don Eyles Apollo Computer Collection.
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