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.
To assist in searching the HST Archive and submitting proposals, ASCII
listings are available which list completed and planned proposals and
exposures. You can read more about the different kinds of catalogs
by following the links below, or go straight to the
Exposure Catalogs Directory.