Day: May 5, 2026

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Operations Report – April 2026

Report title: Operations Report
Crew #: 333
Position: Executive Officer / Crew Engineer
Report prepared by: Antoine Dubois
Date: 09-04-2026
Sol: 11

Non-nominal systems: Opportunity rover
Notes on non-nominal systems: Opportunity rover: Opportunity rover still out of service
ROVERS
Spirit rover used: EVA #17 | EVA #18
Hours: 305.5 | 305.7
Beginning charge: 100% | 100%
Ending charge: 69% | 69%
Currently charging: Yes
Opportunity rover used: Out of service
Hours: /
Beginning charge: /
Ending charge: /
Currently charging: No
Curiosity rover used: EVA #17
Hours: 357.6
Beginning charge: 100%
Ending charge: 70%
Currently charging: Yes
Perseverance rover used: EVA #18
Hours: 405.4
Beginning charge: 100%
Ending charge: 63%
Currently charging: Yes
General notes on rovers: The Opportunity rover is still out of service due to a burnt fuse.

Summary of Hab operations:
Water Use: 17.84 gallons
Main tank level: 180 gallons
Main water tank pipe heater (ON or OFF): OFF
Main water tank heater (ON or OFF): OFF
Toilet tank emptied (NO or YES): YES

Summary of internet: The connection is used to conduct research for experiments, and to listen to music.
Summary of suits and radios:
Marie Jansen, Commander: Suits and radio 1
Antoine Dubois, Executive officer: Suits and radio 2
Zahraa Al-bayati, HSO: Suits and radio 3
Matias Ballivian, Astronomer: Suits 4 and radio 1
Matthias De Groote, Greenhab Officer: Suits and radio 5
Joanna Galloway, Journalist: Suits and radio 6

Summary of GreenHab operations:
Water use: 2 gallons
Heater (ON or OFF): ON, 70 F°
Supplemental light (hours of operation): 7:30 pm to 11:30 pm
Harvest (name, weight in grams): N/A

Summary of ScienceDome operations: None
Dual split (Heat or AC, On or Off or Automatic): AC, Automatic

Summary of RAM operations: The astronomer cleaned the RAM (using disinfectant wipes and sweeping the floor) in preparation for our departure. He also reorganized the inside of the only drawer he actually used (see photos below).

Summary of any observatory issues: None
Summary of health and safety issues: None
Questions, concerns and requests to Mission Support: None

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Sol Summary – April 9th

Report title: Sol Summary Report
Crew #: 333
Position: Crew Commander
Report prepared by: Marie Jansen
Date: 09–04–2026
Sol: SOL 11

Summary Title: 1 day until the end
Mission Status: A bittersweet feeling as we begin to pack everything away
Sol Activity Summary:
We woke up at our usual time of 8:00 AM and started the day with cereal and bread before heading out for the first EVA, with Antoine, Joanna, Matthias, and Marie. The team made their way to Kissing Camel Ridge to carry out Joanna and Antoine’s experiments. Unfortunately, Joanna’s Tap Strap ran out of battery before everyone had the chance to complete the exercise. Antoine’s experiment, however, went through without a hitch. Afterwards, the team decided to climb up one of the camel’s humps to take in the breathtaking view one last time, making the most of the moment with some beautiful photos to remember it by.
Back at the station, the crew gathered for a group photo in their suits, followed by individual professional shots. Lunch was a light quinoa meal, after which everyone settled in for a short nap before the second EVA, which had to be delayed to allow the Tap Straps time to recharge. Unfortunately, the charge was not sufficient, meaning Joanna was unable to join this time around. The second team, made up of Matias, Zahraa, and Antoine, headed out to carry out Antoine and Matias’ experiments. The EVA was kept short and efficient, and the team was back home quickly.
Here at the hab, everyone is busy packing up their belongings and tidying their respective spaces. The end of the simulation is quietly but unmistakably drawing near for Crew Arsia.
Look Ahead Plan:
Tomorrow marks our final day of simulation, with the official end scheduled for 11:45 AM. The morning will be dedicated to tidying up, cleaning, and finishing off the packing. Once the simulation is closed, we are planning a short walk outside the MDRS to enjoy the surroundings one last time. The evening will be a celebratory one, with a small get-together to toast to this incredible experience we have shared together.
Anomalies in work:
None
Weather:
The weather was perfect for our final EVAs.
Crew Physical Status:
Everyone is doing well, though a sense of nostalgia is already setting in for everything we have lived through together.
EVA:
Both EVAs are covered in detail in the daily summary above. The only points worth highlighting are Joanna’s Tap Strap running out of battery during the first EVA, and the second EVA being delayed due to insufficient recharging time, which ultimately prevented Joanna from joining the outing.
Reports to be filed:
Sol Summary
Operations Report
Greenhab Report
Journalist Report
Astronomy Report
EVA Report
Daily photos
Support Requested: none

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GreenHab Report – April 9th

Report title: GreenHab Report
Crew #: 333
Position: GreenHab Officer
Report prepared by: Matthias De Groote
Date: 09-04-2026
Sol: 11

Environmental control (fan & heater): Yes, Fan max : 80, Fan min : 75 ; Heater : 70 F°
Average temperatures (last 24h): 93.7 F°
Maximum temperature (last 24h): 118.2 F°
Minimum temperature (last 24h): 69.3 F°
Hours of supplemental light: 4:00
Daily water usage for crops: 2 gal
Daily water usage for research and/or other purposes: 0 gal
Water in the Tank (160 gal useful capacity): 136 gallons remaining
Time(s) of watering for crops: 12:00 pm
Changes to crops: N/A
Harvest: N/A
Support/supplies needed: No

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Journalist Report – April 9th

Report title: Journalist Report
Crew #: 333
Position: Crew Journalist
Report prepared by: Joanna Galloway
Date: 09-04-2026
Sol: 11

Journalist Report Title (if applicable):
Today was our last full day on Mars, tomorrow at noon we will be off back to earth so we wanted to make the most of the day! Today everyone went out to Kissing Camel Ridge to finish off Antoine’s experience observing a new terrain. The first team: Matthias, Joanna, Marie and Antoine, they climbed up on one of the hills and really soaked in the view of the martian planet for one last time. It was a truly breathtaking experience, we will not be quick to forget it. Joanna also had everyone pass with the tap strap to perform her experiment. Once they headed back to the station, we took crew pictures to capture the finale few moments of our lives at the MDRS. We had some quinoa for lunch then the afternoon flew by, everyone started packing and cleaning up the station to make sure it will be left in perfect condition for the next crew visiting mars. The afternoon EVA: Matias, Zahraa and Antoine left around 4pm, Joanna was supposed to accompany them to get the last of her measures, unfortunately her devices stopped working and she could no longer get them to turn on. The crew made the most of their outing before returning to the base. Most people had finished cleaning up their rooms and habs, the crew can now have a nice last evening. For dinner, it will be chickpea curry with naan bread then a night full of games.

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EVA Report – April 9th

Report title: EVA Report
Crew #: 333
Position: Astronomer
Report prepared by: Matias Ballivian Ascarrunz
Date: 09-04-2026
Sol: 11

EVA #: 17
Purpose of EVA: Joanna will take a part of the crew members to collect data for her experiment with the heavy gear. After the EVA team will explore the zone in a radius of no more than 1,5 km from the initial point, so that Antoine can also conduct his experiment. When they will be back at the station, for a video they will need to take some drone images of the MDRS for our website and social media.
Start time: 9:05 AM
End time: 11: 40AM
Narrative:
They started preparation at 8:45 AM, they started the decompression at 9:05 AM, got in the rovers (9:15 AM ) and started their way to the destination, where they arrived at 9:21 AM. Then, they did Joanna’s experiment, they explored for a little bit and headed back to the rovers at ( 11:14 AM). Arriving to the station at 11:20 AM. Where they took drone footage and started decompression at 11:35 AM.
The rover distribution is the following:
Spirit: Marie & Jo
Curiosity: Antoine & Matthias
Destination per MDRS Map: Camel Kissing Ridge
Destination Coordinates (use UTM WGS 84): 0518279E 4249438N
EVA Participants:
Joanna, Journalist -> EVA Leader
Antoine, Executive officer/Engineer
Marie, Commander
Matthias, Greenhab Officer
Road(s) and routes per MDRS Map: Cow Dung Road
Mode of travel: walking & driving

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Astronomy Report – April 9th

[category 

astronomy-report]

Report title: Astronomy Report
Crew #: 333
Position: Crew Astronomer
Report prepared by: Matias Ballivian Ascarrunz
Date: 09-04-2026
Sol: 11

MDRS ROBOTIC OBSERVATORY
Robotic Telescope Requested: MDRS-WF & RCOS-16
Objects to be Imaged this Evening:NGC 2237, M66, M81, M51
Images submitted with this report: NGC7000 colored
Problems Encountered:Mount error in the MDRSWF
MUSK OBSERVATORY
Solar Features Observed: N/A
Images submitted with this report: N/A
Problems Encountered: N/A

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Astronomy Report – April 8th

[category 

astronomy-report]

Report title: Astronomy Report
Crew #: 333
Position: Crew Astronomer
Report prepared by: Matias Ballivian Ascarrunz
Date: 08-04-2026
Sol: 10

MDRS ROBOTIC OBSERVATORY
Robotic Telescope Requested: MDRS-WF & MLC RCOS-16
Objects to be Imaged this Evening: Resubmission of M51& M81 (The previous images were corrupted), and M99
Images submitted with this report: ngc7000 colored using ASIStudio to stack and to combine the RGB+Lum
Problems Encountered:None
MUSK OBSERVATORY
Solar Features Observed: N/A
Images submitted with this report: N/A
Problems Encountered: N/A
Question: Would you recommend doing the coloring in Photoshop? If so, after stacking I have three images; PNG, TIFF, and FITS. Which one should I use for coloring?
Thanks again for all the help!

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GreenHab Report – April 8th

Report title: GreenHab Report
Crew #: 333
Position: GreenHab Officer
Report prepared by: Matthias De Groote
Date: 08-04-2026
Sol: 10

Environmental control (fan & heater): Yes, Fan max : 80, Fan min : 75 ; Heater : 70 F°
Average temperatures (last 24h): 90.9 F°
Maximum temperature (last 24h): 112.9 F°
Minimum temperature (last 24h): 68.9 F°
Hours of supplemental light: 4:00
Daily water usage for crops: 2 gal
Daily water usage for research and/or other purposes: 0 gal
Water in the Tank (160 gal useful capacity): 138 gallons remaining
Time(s) of watering for crops: 10:00 am
Changes to crops: The lettuce succumbed to the injuries caused by the space rodent.
Harvest: 130 g of kale leaves and 40 g of arugula.
Support/supplies needed: No

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Operations Report – April 8th

Report title: Operations Report
Crew #: 333
Position: Executive Officer / Crew Engineer
Report prepared by: Antoine Dubois
Date: 08-04-2026
Sol: 10

Non-nominal systems:
Opportunity rover
Pressurized tunnel
Notes on non-nominal systems:
Opportunity rover: Opportunity rover still out of service
Pressurized tunnel: The commander checked and repaired the necessary areas in the pressurized tunnel.

ROVERS
Spirit rover used: EVA #15 | EVA #16
Hours: 304.1 | 305.1
Beginning charge: 100% | 100%
Ending charge: 30% | 61%
Currently charging: Yes
Opportunity rover used: Out of service
Hours: /
Beginning charge: /
Ending charge: /
Currently charging: No
Curiosity rover used: EVA #15
Hours: 356.6
Beginning charge: 100%
Ending charge: 30%
Currently charging: Yes
Perseverance rover used: EVA #16
Hours: 405.1
Beginning charge: 100%
Ending charge: 52%
Currently charging: Yes
General notes on rovers: The Opportunity rover is still out of service due to a burnt fuse.

Summary of Hab operations:
Water Use: 14.03 gallons
Main tank level: 200 gallons
Main water tank pipe heater (ON or OFF): OFF
Main water tank heater (ON or OFF): OFF
Toilet tank emptied (NO or YES): NO

Summary of internet: The connection is used to conduct research for experiments, to edit photos, to translate, and to listen to music.
Summary of suits and radios:
Marie Jansen, Commander: Suits and radio 1
Antoine Dubois, Executive officer: Suits and radio 2
Matias Ballivian, Astronomer: Suits 4 and radio 1
Matthias De Groote, Greenhab Officer: Suits and radio 5
Joanna Galloway, Journalist: Suits and radio 6

Summary of GreenHab operations:
Water use: 2 gallons
Heater (ON or OFF): ON, 70 F°
Supplemental light (hours of operation): 7:30 pm to 11:30 pm
Harvest (name, weight in grams): 130 g of kale leaves and 40 g of arugula.

Summary of ScienceDome operations: None
Dual split (Heat or AC, On or Off or Automatic): AC, Automatic
Summary of RAM operations: The commander used about ten self-locking fasteners to secure the pressurized tunnel.
Summary of any observatory issues: None
Summary of health and safety issues: None
Questions, concerns and requests to Mission Support:

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