To the best of my knowledge and intensive research among all the available photos and videos there is no record telling the exact hour of deployment of the HST. It appears that this information has not been considered of importance.
The EXIF-files of the images of the HST taken during the deployment are not available. There are a few shots showing the HST immediately after deployment with clearly recognizable features of the land below, e.g. Cuba and the Bahamas, in broad daylight. Looking at details of such photos gives an estimated time of about 11 hours local time in Cuba which would be 14 hours GMT (UTC).
The space shuttle Discovery launched the Hubble Telescope into space.
The space shuttle is itself a spacecraft. Perhaps you are looking for information on the first satellites launched by a space shuttle. STS-5, launched 16 November 1982, deployed 2 satellites
Hubble telescope (: good luck!
The Hubble Space Telescope was launched in the cargo bay of a Space Shuttle that took off from the Kennedy Space Center in Florida, US.
The Hubble Space Telescope or HST was launched aboard the space shuttle Dscovery during mission STS-31 on the 24th of April 1990.
The space shuttle Discovery launched the Hubble Telescope into space.
I think that means Hubble Space Telescope. It was carried into space by the Space Shuttle in 1990.
The Hubble Space Telescope was launched into orbit by NASA's space shuttle Discovery (mission STS-31) on April 24, 1990.
The space shuttle is itself a spacecraft. Perhaps you are looking for information on the first satellites launched by a space shuttle. STS-5, launched 16 November 1982, deployed 2 satellites
The space telescope that was carried into Earth orbit by a space shuttle in 1990.
Hubble telescope (: good luck!
the shuttle went into space because it launched the Hubble space telescope.
The Hubble Space Telescope was launched into orbit by NASA's space shuttle Discovery on STS-31 on April 24, 1990.
The Hubble Space Telescope was launched in the cargo bay of a Space Shuttle that took off from the Kennedy Space Center in Florida, US.
The HST was launched by NASA on board of the space shuttle Discovery on April 24, 1990.
The Hubble Space Telescope was launched aboard Discovery on STS-31 on April 24, 1990.
The Hubble Space Telescope was launched into orbit aboard NASA's space shuttle Discovery (mission STS-31) on April 24, 1990.The Hubble Space Telescope was originally meant to be launched in 1986, but the explosion of the space shuttle Challenger delayed the launch until April 24th 1990.The Hubble telescope is now seen as one of the most versatile telescopes in space. After it was launched in 1990, astronomers had a chance to change and improve the telescope through missions by astronauts aboard the Space Shuttle.