Astronaut Scientific Debriefings, 1962-1963

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-37­
Scientific Debriefing
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·,qooper:
I would guess it was on the order of 20 to 30 second.s 1af'ter sunset, that is
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jµst a guess. And this is all the counting I was doing to give ·you the timing and
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•. ~ ~ere ~as interference from the ground stations.
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,-llch:
Did you observe capsule sta.bility - did you :f'eel it ~s holding sufficient'.cy
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~till for time exposures?
cboper:
Of course, we knew it would be moving.
Did better than I thought i t would.
Huch:
For the most part they came out quite clear.
Bill Armstrong:
You get pitch up at the rate of 4° per minute.
Cooper:
Actual:cy, you had more than that.
Shepard:
During the Zodiacal light sequence, you had over .5 degrees :per minute.
Question:
What are your attitude tolerances •in ASCS?
Cooper:
I would say within about 5 l/2 degrees. This will be a very slow variance.
Question:
How fast is this per minute? The period is 2 to 3 minutes per oscillation.
John Ve:n Beckel: It is about .05 degrees per second.
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Shepard:
The limits could be as much as 11 degrees.
John Van Beckel: It is pretty close to plus or minus 10 degrees.
Cooper:
Did you ge~ anything :from·,.the latter portion of the picture? The airg.l.ow
pictures?
Mercer:
Yes.
Cooper:
I worried that the angle of the camera was down too much.
Huch:
was there anything unusual that happened through the night?
Cooper:
There was a lot of lightning.
Huch:
Was there an accumulatio·n of moisture on the window?
Coop-er:
No.
To me it didn't seem to cut down too much.
Huch:
You reported a lot
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of lightning.
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Cooper:
Right when I was taking dim light pictures there were several thunder­
. storms and a lot of lightning.