1986 in spaceflight

Hubble Space Telescope Launch, Space Shuttle Discovery STS-31 Highlights 1990 NASA

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• published: 14 Nov 2015
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more at http://scitech.quickfound.net/astro/space_shuttle_news.html Highlights of the launch and deployment of the Hubble Space Telescope in April, 1990. Reupload of a previously uploaded film, in one piece instead of multiple parts, and with improved video & sound. Public domain film from the US National Archives, 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-31 STS-31 was the thirty-fifth mission of the American Space Shuttle program, which launched the Hubble Space Telescope astronomical observatory into Earth orbit. The mission used the Space Shuttle Discovery, which lifted off from Launch Pad 39B on 24 April 1990 from Kennedy Space Center, Florida. Discovery's crew deployed the telescope on 25 April, and spent the rest of the mission tending to various scientific experiments in the shuttle's payload bay and operating a set of IMAX cameras to record the mission. Discovery's launch marked the first time since January 1986 that two Space Shuttles had been on the launch pad at the same time -- Discovery on 39B and Columbia on 39A. Commander Loren J. Shriver Second spaceflight Pilot Charles F. Bolden, Jr. Second spaceflight Mission Specialist 1 Steven A. Hawley Third spaceflight Mission Specialist 2 Bruce McCandless II Second spaceflight Mission Specialist 3 Kathryn D. Sullivan Second spaceflight Crew Notes Initially, this mission was to be flown in August 1986 as STS-61-J using Atlantis, but was postponed due to the Challenger disaster. John Young was originally assigned to command this mission, which would have been his seventh spaceflight, but was reassigned to an administrative position and was replaced by Loren Shriver. Launched 24 April 1990, 8:33:51 am EDT. Launch scheduled for 18 April, then 12 April, then 10 April, following Flight Readiness Review (FRR). First time date set at FRR was earlier than that shown on previous planning schedules. Launch 10 April scrubbed at T-4 minutes due to faulty valve in auxiliary power unit (APU) number one. APU replaced and payload batteries recharged. Countdown briefly halted at T-31 seconds when computer software failed to shut down a fuel valve line on ground support equipment. Engineers ordered valve to shut and countdown continued. Launch Weight: 112,994 kilograms (249,110 lb). STS-31 was the tenth launch of the Shuttle Discovery. On board were Charles Bolden, Loren Shriver, Bruce McCandless, Steven Hawley, and Kathryn D. Sullivan. The primary payload was the Hubble Space Telescope (HST), deployed in a 380 statute mile (612 kilometres (380 mi)) orbit. The shuttle's orbit in this mission was its second highest orbit up to that date, in order that the HST could be released near to its operational altitude well outside of the atmosphere. Discovery orbited the earth 80 times during the mission. The main purpose of this mission was to deploy the Hubble Space Telescope (HST) astronomical observatory... To launch HST into an orbit that guaranteed longevity, Discovery soared to 600 kilometres (370 mi) -- the highest shuttle altitude ever at the time. The record height permitted the crew to photograph earth's large scale geographic features not apparent from lower orbits. Motion pictures were recorded by two IMAX cameras, and the results appeared in the IMAX film Destiny in Space. Experiment activity included a biomedical technology study, advanced materials research; particle contamination and ionizing radiation measurements; and student science project studying zero gravity effects on electronic arcs. Discovery's reentry from its higher than usual orbit required a deorbit burn of 4 min 58 s, the longest in shuttle history up to that time. Secondary payloads: IMAX Cargo Bay Camera (ICBC) to document operations outside crew cabin and hand-held IMAX camera for use inside crew cabin; Ascent Particle Monitor (APM) to detect particulate matter in payload bay; Protein Crystal Growth (PCG) to provide data on growing protein crystals in microgravity; Radiation Monitoring Equipment III (RME III) to measure gamma ray levels in crew cabin; Investigations into Polymer Membrane Processing (IPMP) to determine porosity control in microgravity environment; Shuttle Student involvement program (SSIP) experiment to study effects of near-weightlessness on electrical arcs, and Air Force Maui Optical Site (AMOS) experiment. 29 April 1990, 6:49:57 am PDT, Runway 22, Edwards Air Force Base, CA. Rollout distance: 2,705 metres (8,875 ft). Rollout time: 61 seconds. First use of carbon brakes at landing. Orbiter returned to KSC on 7 May 1990. Landing Weight: 85,782 kilograms (189,120 lb).