Crew 311 EVA Report 08-03-2025
EVA #: 11
Author: Erin POUGHEON (Crew Commander, HabCom)
Purpose of EVA: Atmospheric experiments battery change, reinstallation of LOAC experiment
then photogrammetry experiment at Sea of shells.
Start time: 9:00 AM
End time: 11:36 AM
Narrative: Depressurization in the airlock started at 8:56 AM. The EVA Crew arrived at Marble Rituals at 9:07 AM. Batteries for the atmospheric instruments were changed at 9:12 AM and LOAC re-installed at 9:15 AM. They left Marble Rituals at 9:18 AM and drove to the Sea of Shells. Arriving there, they started to search for the checkpoints for the photogrammetry experiment and found all of them in less than an hour. Then, they went back to the station. They arrived at the MDRS at 11:31 AM and back inside the station at 11:36 AM !
Destination: Marble Rituals and Sea of shells
Coordinates: 518250 E, 4250750 N then 516500E, 425550N
EVA Participants: Somaya Bennani (Crew Scientist and EVA leader), Robin Gorius (Crew Engineer) and Isolde Louzier-Ricalens (Crew Journalist).
Road(s) and routes per MDRS Map: Cow Dung Road 0110, Brahe Hwy 1572,
Copernicus Hwy 1575
Mode of travel: Driving to Marble Rituals walking to the experiments site. Reinstalling the LOAC experiment and coming back to the rovers. Then driving to Sea of Shells doing the photogrammetry experiment and coming back to the station using the rovers.
Vehicles used: Curiosity and Perseverance
Curiosity: Beginning 100%, 299.0h / End 40%, 299.8h
Perseverance: Beginning 100%, 308.4h / End 47%, 309.3h