Gemini 4 Experiment Debriefing, 1967

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2.
D-6, Surface Photography
This experiment wi 11 investigate
the technical problems associated
with an astronaut's ability to
acquire, track, and photograph
terrestrial objects from a space­
craft with more elaborate photo­
opti ca I equipment than that used
previously. The astronaut will
photograph selected series of
objects during day-side and
night-side intervals of the flight
using specified Iens-fi Im combi­
nations. The resulting data wi 11
be used to eva Iuate the astronaut's
ability to maintain object-camera
orientation by maneuvering the
spacecraft. Figure 4 shows the
camera mount installed on the
spacecraft window.
3.
D-8, Radiation in Spacecraft
Data from this experiment will be
used to supplement external radi­
ation measurements in studying
the dose levels within the space­
craft resulting from passes through
regions of varying radiation
intensity.
Two tissue-equivalent,
current-mode ionization chambers
wi 11 be used to measure the
variation of absorbed dose-rate
inside the spacecraft.
Five
small packets containing radia­
tion detection and measurement
devices will be placed at
various locations in the cabin
to ascertain their suitability as
convenient dosimeters of space
radiation and measure total
accumulated dose. Figure 5 shows
some of the equipment to be used
for this experiment.
M-913-65-04
0-6 SURFACE PHOTOGRAPHY
FIG. 4
D-8 RADIATION IN SPACECRAFT
(PORTABLE UNIT)
FIG. 5
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