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Most STScI network links to services and websites will be UNAVAILABLE Thursday May 3, 2018 7:00 PM - 11:00 PM.


We would like to acknowledge the FUSE project for supplying much of the web content available from MAST.

The FUSE Project and MAST staff members worked very hard during the FUSE closeout period to ensure that all data, documentation, and useful web content was transferred from the FUSE website to MAST. The FUSE project completely rewrote the FUSE Instrument and Data Handbooks to be useful for the archival user.

Comments about the FUSE archive or MAST interface should be sent to