| Oceanus Procellarum (subsequently
named Mare Cognitum). Velocity at impact
was 2.62 km/sec (1.62 miles per second).
The spacecraft performance was excellent.
Transmission of over 4,300 photographs
occurred during the final 17 minutes of
flight, from 1308 UT to 1325 UT on July
31, 1964. .....The
television system consisted of a six slow-scan
vidicon TV cameras capable of
transmitting high-resolution, close-up
television pictures of the lunar surface
during the final minutes of flight before
the spacecraft impacted the lunar surface.
These photographs provided large-scale
topographic information needed for the
Surveyor and Apollo projects. Vidicons 2.54
centimeters in diameter with an antimony-sulfide
oxy-sulfide (ASOS) photoconductor target
were used for image sensing in all six
cameras.
.....There
were two camera channels which had
|