EVA Report – February 16th

Crew 275 EVA Report 16-02-2023

EVA # 3

Author: Alexandre VINAS (crew astronomer and EVA leader)

Purpose of EVA: Installation of the Mega-Ares instrument, dedicated to the measurement of the electric field in the atmosphere, at a location between 150 and 300 meters away from the hab.

Start time: 10:00

End time: 12:57


10:07 Airlock closed

We had difficulties opening the door because of the snow, so the EVA crew cleaned the stairs before leaving the station.

10:25 Rovers Curiosity and Spirit unplugged. EVA crew put the plugging wires in a dry place under the RAM in order to protect them from the snow.

Crew astronomer’s headset radio fell off and couldn’t be put back without breaking the simulation.

10:31 EVA crew back in the airlock to fix this problem. The headset has been attached with headband.

EVA crew loaded the material in the rovers.

10:53 EVA crew leaves the MDRS. Astronomer and journalist in Curiosity, HSO in Spirit.

Rovers were parked but not at the right location, EVA crew had to move again.

11:20 Rovers parked at the right location, beginning of the deployment of the antenna.

12:30 End of the installation of the antenna.

EVA crew took all the equipment away from the surrounding of the antenna, and went back to the MDRS with the rovers.

12:45 EVA crew parked the rovers, but forgot to turn Curiosity OFF.

12h57 End of the pressurization, EVA crew back in the main hab.

Some of the EVA#3 objectives could not be achieved due to lack of time and one item missing.

Destination: Between the Hab and Marble Ritual near the road.

Coordinates (use UTM WGS 84): N4251000 E518500

Participants: EVA leader: Alexandre Vinas (Crew Astronomer), Marie Delaroche (Crew Journalist), Corentin Senaux (HSO), HabCom: Quentin Royer (Crew Engineer)

Road(s) and routes per MDRS Map: Drive Cow Dung Road 0110 to a place just before Marble Ritual (see map on the attached picture)

Mode of travel: Driving, even if the destination was less than 1 km away, the crew had to transport heavy instruments that also take up a lot of space

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