Crew 275 Operations Report 15Feb2023
SOL: 3
Name of person filing report: Quentin ROYER
Non-nominal systems:
• Toilets
• RAM: 1 leak in the roof
• Science Dome: 3 leaks in the walls
• Science Dome: Heater possibly non-nominal during the night
• GreenHab: supplemental light
Notes on non-nominal systems:
• RAM: 1 leak in the roof, probably due to snow. There was no leak in the morning due to freezing temperatures, but this afternoon the bucket which had been placed under the leak was full and had to be replaced.
• Science Dome: As yesterday, 1 leak coming from the junction between the ground and the wall under the window. A small amount of water leaked from the outside and flowed into the Science Dome. The puddle was about 1 cm high, 5 cm wide, and 3 meters long at 3:00 pm, and is located close to an electric socket. As yesterday, 1 leak coming from the junction between the ground and the wall near the door. The puddle was about 0.5 cm high, 3 cm wide, and 70 cm long at 3:00 pm. This second puddle fully dried during the afternoon. A third leak appeared at the junction between the ground and the wall under the window, but in the right side of the window. At 5:00 pm, the puddle was about 0.5 cm high, 4 cm wide and 1.5 meters long, and it is located close to an electric socket.
• Science Dome: as per protocol of an experiment, the Crew Engineer placed an environmental sensor in the Science Dome, including a temperature sensor. A recording of the temperature was performed during the night, and it shows that the temperature decreased during the whole night. Therefore, we assume that the heater did not turn on properly. I can send you the graph of the temperature between 11:55 pm and 6:55 am if you need it.
• GreenHab: supplemental light did not switch on yesterday at 10:00 pm. The Crew Botanist went in the GreenHab to set up the timer at the right time (it was 10 to 15 minutes late).
ROVERS
Spirit rover used: No
• Hours: 208.9
• Beginning charge: 100%
• Ending charge: N/A
• Currently charging: Yes
Opportunity rover used: No
• Hours: 113.0
• Beginning charge: 100%
• Ending charge: N/A
• Currently charging: Yes
Curiosity rover used: No
• Hours: 220.8
• Beginning charge: 100%
• Ending charge: N/A
• Currently charging: Yes
Perseverance rover used: No
• Hours: 255.4
• Beginning charge: 100%
• Ending charge: N/A
• Currently charging: Yes
General notes on rovers: No EVA today – the rovers were not used.
Summary of Hab operations: The crew conducted routine activities, including rehearsal of instruments’ deployment.
• WATER USE: 15.96 gallons
• Water: 424.35 gallons
• Static tank pipe heater: On
• Static tank heater: On
• Toilet tank emptied: No
Summary of internet: Hughes Net was used during the day before the opening of COMMS for email purposes, and Starlink (MDRSCampus-Guest) is used during COMMS. Internet for the AI4U experiment (MDRSCampus) was tested today within the boundaries of the protocol of this experiment and is fully operational.
Summary of suits and radios: Spacesuits and radio were not used today, as there was no EVA.
Summary of GreenHab operations: The Crew botanist conducted routine operations and water tests within the protocol of the aquaponics experiment.
• WATER USE: 8.77 gallons
• Heater: On
• Supplemental light: From 10:15 pm to 2:00 am – Timer settings were changed back to nominal
• Harvest: 177 g of tomatoes – 1 g of lemon balm
Summary of ScienceDome operations: The Commander and Crew Scientist tested some experimental protocols.
• Dual split: Heat / From 10 pm to 7 am – We suspect that the dual split did not work this night
Summary of RAM operations: Trainings for the MegaAres experiment were performed. The Crew Engineer repaired a support arm used for the EchoFinder experiment. Environmental sensors were prepared for future deployment.
Summary of any observatory issues: Nothing to report.
Summary of health and safety issues: There was a small safety issue in the RAM using a welding iron. As the welding iron was still hot, it made contact with a small piece of aluminum which started to melt. The resulting hole is very small, about a centimeter in diameter. He reacted quickly by removing the welding iron when the first vapors arrived, and putting it in the RAM airlock. He contacted the Hab to inform us before turning on the supplemental ventilation of the RAM, as there was no immediate risk for his health.
Questions, concerns, and requests to Mission Support: None