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What Armstrong Saw: Simulation 1

The only visual record of the historic Apollo 11 landing is from a 16mm time-lapse (6 frames per second) movie camera mounted in Buzz Aldrin’s window (right side of Lunar Module Eagle or LM). Due to the small size of the LM windows and the angle at which the movie camera was mounted, what mission commander Neil Armstrong saw as he flew and landed the LM was not recorded. The LROC team reconstructed the last three minutes of the landing trajectory (latitude, longitude, orientation, velocity, altitude) using landmark navigation and altitude call outs from the voice recording. From this trajectory information, and high resolution LROC NAC images and topography, we simulated what Armstrong saw in those final minutes as he guided the LM down to the surface of the Moon. As the video begins, Armstrong could see the aim point was on the rocky northeastern flank of West crater (190 meters diameter), causing him to take manual control and fly horizontally, searching for a safe landing spot. At the time, only Armstrong saw the hazard; he was too busy flying the LM to discuss the situation with mission control. Discover more about this video: http://lroc.sese.asu.edu/posts/1115 ACKNOWLEDGMENT: A time-synchronized version of the original 16mm film (Apollo Flight Journal) and the First Men on the Moon website, which synchronizes the air-to-ground voice transmission with the original 16mm film, greatly aided the production of this work. These sources were played side-by-side with our reconstruction during its production, allowing us to better match the reconstruction to the 16mm film and altitude callouts. Apollo Flight Journal: https://www.youtube.com/watch?reload=..., First Men on the Moon: https://www.firstmenonthemoon.com/
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