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STS-114 MCC Status Report #23



SUBMITTED BY ARTHUR N1ORC - AMSAT A/C #31468

STS-114 MCC Status Report #23
Saturday, Aug. 6, 2005 – 1:30 p.m. CDT
Mission Control Center, Houston, Texas

Discovery is flying solo today, following its early morning departure 
from the International Space Station, concluding nine days of 
cooperative work between the two crews.

Pilot Jim Kelly was at the controls as latches between the two vehicles 
were released and Discovery began to back gently away from the Station. 
Undocking occurred at 2:24 a.m. CDT as the two spacecraft flew high over 
the Pacific Ocean, west of Chile.

As Discovery moved away to a distance of about 400 feet, Kelly began a 
slow fly-around of the Station. Cameras on each spacecraft captured 
video and still images of the other.

After the fly-around, Kelly executed the first of two separation burns 
to move Discovery away from the Station and begin its trip home. The 
entire crew – Commander Eileen Collins, Kelly, and Mission Specialists 
Andy Thomas, Wendy Lawrence, Steve Robinson, Charlie Camarda and Soichi 
Noguchi of the Japan Aerospace Exploration Agency (JAXA) enjoyed some 
scheduled off-duty time before going to sleep at 11:39 a.m. CDT.

The crew will awaken at 7:39 p.m. CDT and turn its attention to stowing 
away much of the equipment used over the past 11 days in orbit, and 
verifying operation of Discovery’s flight control surfaces and system.

Over the course of nine days of joint work, the crews moved more than 
12,000 pounds of equipment and supplies to the Station and will return 
about 7,000 pounds of material from the Station to Earth. Spacewalkers 
Noguchi and Robinson left all four of the Station’s attitude control 
gyroscopes functioning with the removal and replacement of one of the 
600-pound units. They also installed a new stowage platform on the 
exterior of the Station and worked with an experiment that exposes a 
variety of materials samples to the harsh vacuum and extreme 
temperatures of space. Discovery was docked with the Station for 8 days, 
19 hours and 54 minutes.

Aboard the Station, newly resupplied and emptied of surplus gear, 
Commander Sergei Kirkalev and NASA Science Officer John Phillips also 
had a light-duty day after undocking.

The next STS-114 mission status report will be issued late Saturday, or 
earlier if events warrant.

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