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
For more information about how accounts were transitioned click here.
MAST Web Tutorial
The MAST Web Tutorial has become out-of-date and is temporarily
offline until updates can be completed.
Questions about the MAST web site can be sent to the help desk
via e-mail at email@example.com or call 410-338-4443.