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Astronauts Pete Conrad and Alan Bean landed the Apollo 12 Lunar Excursion Module (LEM) in Oceanus Procellarum, demonstrating precision landing by setting down the LEM near the Surveyor 3 lunar probe [3.0128° S, 336.57810° E]. Conrad and Bean landed at 06:54:35 UTC on 19 November 1969, and stayed for 1 day and 7.5 hours, during which they performed two Extra-Vehicular Activities (EVA) totaling 7.75 hours and collecting 35.34 kg of lunar samples.

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