Greenhab Report – December 24th

Crew 218 GreenHab Report 24-DEC-19

Crew GreenHab Officer: Dr. Jonathan R. Buzan

Environmental control: Heating.

Shade cloth (40% and 30%) on.

Average temperature: 21.4°C; 13.5% (because of the minimum humidity, I believe this calculation is an error).


Floor Unit: 16°C
Electronic: 23.5°C
humidity 19%


Floor Unit: 15°C
Electronic: 20.4°C
humidity 20%


Floor Unit: 16°C
Electronic: 21.1°C
humidity 20%

Max: 24.9°C; 25%
Min: 17.9°C; 2% (I believe this humidity reading is in error)

Hours of supplemental light: Light system 7:20PM-12:20AM (timer was modified by staff. Last night’s measurement was an estimated start time).

Daily water usage for crops: 5.4Gal.
Daily water usage for research and/or other purposes: N/A

Water in Blue Tank – ~123 Gal.

Time(s) of watering for crops: 5:40 PM


Change to crops: None.


1st sprouts: Zucchini, Cherry tomato, Buttercrunch.

—No Martian rodents in the trap.

—ALARM: At 2:20 PM an alarm was heard while Shefali and I were in GreenHab. We radioed Habitat to notify of alarm and investigated. Astronomy Observatory’s alarm was set off. No fire detected.

—Used MiracleGrow™ while watering the plants.


—Cilantro plants had coriander seeds. Harvested 0.22g (took seeds to Science Lab to use a triple beam scale).

—Because of limited comms, we warmly ask CAPCOM to search for a dessert (not desert!) recipe that is coriander forward. 😀

Support/supplies requested: N/A

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