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On Tuesday Sep. 9 between 8 and 9 PM (Eastern) there may be one or more interruptions to STScI's internet connection.

As of April 13, the archive is now using the STScI Single Sign-On (SSO) identity manager. To check on your account click here. For more information about how accounts were transitioned click here.

MAST Missons

  • ASTRO - ASTRO Observatory
    • HUT - Hopkins Ultraviolet Explorer
    • UIT - Ultraviolet Imaging Telescope
    • WUPPE - Wisconsin Ultraviolet Photo-Polarimeter Experiment
  • Copernicus - Copernicus
  • DSS - Digitized Sky Survey
  • EPOCH - Extrasolar Planet Observations and Characterization
  • EUVE - Extreme Ultraviolet Explorer
  • FUSE - Far Ultraviolet Spectrographic Explorer
  • GALEX - Galaxy Evolution Explorer
  • GSC - Guide Star Catalogs
  • HPOL - Halfwave Spectropolarimeter
  • HST - Hubble Space Telescope
  • IUE - International Ultraviolet Explorer
  • KEPLER - Kepler (search for earth-size planets)
  • K2 - Kepler follow-up (exoplanet search)
  • ORFEUS - Orbiting Retrievable Far and Extreme Ultraviolet Spectrometers-SPAS
    • BEFS - Berkeley Extreme and Far-UV Spectrometer
    • TUES - Tübingen Ultraviolet Echelle Spectrometer
    • IMAPS - Interstellar Medium Absorption Profile Spectrograph
  • SWIFT-UVOT SWIFT satellite UV/Optical monitor
  • VLA-FIRST Very Large Array - Faint Images of the Radio Sky at Twenty-cm
  • XMM-OM Xray Multi-Mirror Telescope - Optical Monitor data

You may be interested in tracking the location of the satellites still in orbit. Links to real-time satellite tracking for: