The mission search interfaces provide both a graphical user-interface (web form) and programmatic access (via an API) to mission-specific data.  Currently the Mission Search supports:

  • Hubble Space Telescope
  • CLASSY (High Level Science Product)
  • ULLYSES (High Level Science Product)

More missions and data collections will be added over time.

Table of Contents

    Search This Guide

    New To The Mission Search Interface?

    Watch our short introductory tutorial video.

    NOTE: If the video is blurry when watching in full screen mode, consider changing the playback setting to a higher resolution (for example, 720p). This is accomplished using the Gear icon in the lower right. Note that the gear icon may not be present when this webpage first loads, but it will appear when the video is first played. In some cases, even if the icon says "HD" there may be a need to select the 1080p HD setting using the Gear icon to ensure the highest quality video.

    User Support

    For MAST user support, contact the HelpDesk: See the Archive Support page for details and other resources.

    Citations and Acknowledgements

    In publications, refer to this document as:

    • MAST 2021, MAST Mission Search Guide, eds. S.W. Fleming, J. Yoon, J. Kotler (Version 1; Baltimore: STScI)

    Please acknowledge the use of data obtained from MAST in publications, according to the mission(s) you use.

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