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Log Book for April 29, 2003
EVA Report
Simone Kosol & Petra Rettberg Reporting
EVA-2:
Habcom: Petra and Simone
EVA-2 crew: Dave (EVA leader), Joan, Mark
Objectives: Personal UV dosimetry during EVA for all 3 EVA crew members, positioning of a stationary 'personal' UV dosimeter for direct comparison with the ambient UV radiation, positioning of 3 dust traps, finishing the exposure of 3 aliquots of each of the bacterial samples in suspension brought out on April 28, 2003, checking the state of the GreenHab
11:12h start of prebreathing in the airlock
11:42h opening of the airlock
11:45h positioning of Petra's UV-dosimeter near the stationary electronic one (waypoint 1 from yesterday)
11:57h definition of waypoint 1 of today for digging
12:31h - 12:42h positioning of the 3 dust traps near waypoint 1: no.
1 top layer, no. 2 bottom red layer, no. 3 bottom white layer
12:50h definition of waypoint 2 of today
13:00h removal of bacterial samples 10, 11, 12 (waypoint 1 from April 28)
13:15h removal of bacterial samples 19, 20, 21 (waypoint 2 from April 28)
13:20h definition of waypoint D03 for lithology sample 11
13:27h removal of bacterial samples 16, 17, 18 (waypoint 4 from April 28)
13:34h removal of bacterial samples 13, 14, 15 (waypoint 5 from April 28)
13:45h removal of bacterial samples 7, 8, 9 (waypoint 3 from April 28)
13:46h finishing the exposure of the UV dosimeter for ambient radiation
13:47h checking the thermometers in the greenhab
13:57h entering the airlock
14:02h end of EVA
Total duration of the EVA: 170 min
EVA-3:
EVA 3 is the second EVA today. The EVA crew members had to clean the graywater-system in the greenhouse. Elia was crewleader; Dave and Joan volunteered for this cleaning-mission.
16:30 the crew entered the airlock for half hour prebreathe
17:20 start of the work in greenhouse
19:02 they entered airlock again and finished their 2hr 30 min EVA
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