<p>Apollo 11 Hasselblad image from film magazine 40/S - EVA<br>
This photo was used in Figure 4-4 in the <i>Apollo 11 Preliminary Science Report</i> (NASA SP-214), 1969, which has the following caption:
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<dl><dd>Astronaut Aldrin deploying the PSEP. (NASA AS11-40-5946)</dd></dl>
PSEP is Passive Seismic Experiment Package
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/136485307@N06">Project Apollo Archive</a>
2015-09-23 16:13
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/projectapolloarchive/21039121813/">AS11-40-5946</a>