Apr 12, 2003 - Sale 1967

Sale 1967 - Lot 227

Price Realized: $ 20,700
?Final Price Realized includes Buyer’s Premium added to Hammer Price
Estimate: $ 25,000 - $ 35,000
A CRITICAL CELESTIAL NAVIGATIONAL DEVICE USED INSIDE THE LM AFTER THE APOLLO XVI FLOWN Apollo XVII LM Post-Landing Star Chart. 8 inch circular chart with a velcro hook on the reverse side. The chart identifier reads: "LM Post-Landing, December 6, 1972 Launch. September 4, 1972" (chart publication date). All major stars and constellations visible from the Taurus-Littrow landing area are plotted underneath a rotating translucent position locator. The rotating locator has six concentric circular plots sixty degrees apart corresponding to position locators set for the Alignment Optical Telescope (AOT) inside the LM. September, 1972
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This navigational device was used to update the LM computer's guidance and navigation system for an emergency LM lift-off just after landing if required. Star patterns viewed through the AOT would be identified and verified with this chart. Measurements made with the AOT and were entered via computer into the LM's navigational system defining the LM's inertial orientation. The chart's reverse side has been inscribed and signed by Cernan with: "Flown to the lunar surface, Apollo XVII, Eugene Cernan". With Typed Letter Signed by Cernan.
on the reverse side, the velcro hook has turned gray with lunar dust.