Preliminary Gemini 4 Crew Debriefing, Part II, 1965

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sextant in there.
We found out that to do the
star to horizon measurement, you had to be
right-side-up.
If you tried to do it upside down ,
the filter blanked out the star and not the
horizon. I think that there are a great number
of measurements in here, but I do feel that the
Air Force portion of the D-9 Experiment was more
qualitative than quantitative. Maybe I ought
to talk about the Apollo portion.
We made one
Apollo run where we used two stars .
I held the
spacecraft fixed to within about plus or minus
2 degrees, and
Eld took a great number of
measurements .
Ed made a great number of
measurements between two stars .
And we
got
our 30
runs on one pair of star s
that
were quite close together.
Then
we
started out with about another
20 sight­
ings on another pair of stars that were
further apart.
White
They. were all in Scorpi.
I
think they
were about 12 degrees on the first one and
about 22 degrees on the second one .
There were
Antares and S0 orpi i n the second series , and it was