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STScI's Internet connections will be UNAVAILABLE Saturday, 28 October 2017 from 7:00 AM - 1:00 PM. STScI web servers, SSH and similar services will be unreachable from the Internet.

Technical Information About HUT

The following items will link you to Technical Information about the instrument, its calibration, and the reduction of the data. This information is intended for the serious user of HUT data. For a less technical description, please see What Is HUT and What Does It Do?