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Solar Max Satellite Repair EVA: Space Shuttle STS-41-C Post Flight Press Conference Film 1984 NASA -

Solar Max Satellite Repair EVA: Space Shuttle STS-41-C Post Flight Press Conference Film 1984 NASA por Jeff Quitney   3 anos atrás

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more at http://scitech.quickfound.net/astro/space_shuttle_news.html

'Commander: Robert L. Crippen
Pilot: Francis R. "Dick" Scobee
Mission Specialists: George D. "Pinky" Nelson, Terry J. Hart, James D. A. van Hoften
Dates: April 6-13, 1984
Vehicle: Challenger OV-099
Payloads: LDEF, RME, SSIP (one experiment), and IMAX and Cinema 360 cameras
EVA: (MMU/Tethered) retrieved, repaired, and deployed the Solar Maximum Satellite
Landing site: Runway 17 dry lakebed at Edwards AFB, CA

Narrated by the Commander and crew, this program contains footage selected by the astronauts, as well as their comments on the mission. Footage includes launch, onboard crew activities, and landing. Includes video taken from Hawaii by Paul D. Maley (JSC DO3) of External Tank (ET) reentry.'

NASA film JSC-850

Reupload of a previously uploaded film, in one piece instead of multiple parts, and with improved video & sound.

Public domain film slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and equalization (the resulting sound, though not perfect, is far less noisy than the original).

Public domain film from NASA, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).

http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/STS-41-C

STS-41-C was NASA's 11th Space Shuttle mission, and the fifth mission of Space Shuttle Challenger. The launch, which took place on 6 April 1984, was the first direct ascent trajectory for a shuttle mission. STS-41-C was extended one day due to problems capturing the Solar Maximum Mission ("Solar Max") satellite, and the landing on 13 April took place at Edwards Air Force Base, instead of at Kennedy Space Center as had been planned...

Liftoff took place at 8:58 am EST on 6 April 1984. The mission marked the first direct ascent trajectory for the Space Shuttle, which reached its 288-nautical-mile-(533-km)-high orbit using its Orbiter Maneuvering System (OBS) engines only once, to circularize its orbit.

The flight had two primary objectives. The first was to deploy the Long Duration Exposure Facility (LDEF)... The second objective was to capture, repair and redeploy the malfunctioning Solar Maximum Mission satellite -- "Solar Max" -- that had been launched in 1980.

The five-man crew included Robert L. Crippen, commander, on his third shuttle flight; pilot Francis R. Scobee; and mission specialists James D. A. van Hoften, Terry J. Hart and George D. Nelson.

On the second day of the flight, the LDEF was grappled by the "Canadarm" Remote Manipulator System (RMS) arm and successfully released into orbit... Retrieval of the passive LDEF had been scheduled during 1985, but schedule delays and the Challenger disaster of 1986 postponed the return until 12 January 1990, when Columbia retrieved LDEF on mission STS-32.

On the third day of the mission, Challenger's orbit was raised to about 300 nautical miles (560 km), and it maneuvered to within 200 feet (61 m) of Solar Max. Astronauts Nelson and van Hoften, wearing spacesuits, entered the payload bay. Nelson, using the Manned Maneuvering Unit (MMU), flew out to the satellite and attempted to grasp it with a special capture tool, called the Trunnion Pin Acquisition Device (TPAD). Three attempts to clamp the TPAD onto the satellite failed. The Solar Max began tumbling on multiple axes when Nelson attempted to grab it by hand, by a solar array, and the effort was called off.

During the night, the Solar Max POCC, at Goddard Space Flight Center, Greenbelt, Maryland, was able to establish control over the satellite by sending commands ordering the magnetic torque bars to stabilize the tumbling action...

The next day, Crippen maneuvered Challenger back to Solar Max, and Hart was able to grapple the satellite with the RMS. They placed Solar Max on a special cradle in the payload bay using the RMS. They then began the repair operation, replacing the satellite's attitude control mechanism and the main electronics system of the coronagraph instrument... Solar Max was deployed back into orbit the next day. After a 30-day checkout by the Goddard POCC, the satellite resumed full operation...

Highlights of the mission... appeared in the IMAX movie "The Dream is Alive."

The 6-day, 23-hour, 40-minute, 7-second mission ended on 13 April 1984, at 5:38 am PST, when Challenger landed on Runway 17, at Edwards AFB, having completed 108 orbits over the course of STS-41-C. Challenger was returned to KSC on 18 April 1984.

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