Data and graphical interpretations of observations of variable stars, gamma ray bursts, minor planets, and other transient phenomena.

MAST supports a variety of astronomical data archives, with the primary focus on scientifically related data sets in the optical, ultraviolet, and near-infrared parts of the spectrum.

An image browser providing access to digitized optical Schmidt plates forming the STScI Survey.

Global project organized by the Arab Union for Astronomy and Space Sciences (AUASS). Contains data base for Crescent Observations.

Data archive by the European Space Agency mission with the participation of ISAS and NASA.

Search data about millions of galaxies by their name or celestial position. Also an archive of 100,000 images of galaxies.

High Energy Astrophysics Science Archive Research Center. Provides an archive of data on (and software for analyzing) gamma-ray, X-ray, and extreme ultraviolet observations of cosmic (non-solar) sources.

Archive provides access to the all-sky catalogue from the set of ten CD-ROMs produced by the US Naval Observatory within the Precise Measurement Machine Project.

A joint venture of The European Southern Observatory(ESO), and the Space Telescope European Coordinating Facility(ST-ECF). Includes a shared archive server, services, news, updates, digitized sky images, links, and public datasets.

Comprises a set of all-sky photographic surveys in E, V, J, R, and N bands conducted with the Palomar, and UK Schmidt telescopes at the Space Telescope Science Institute.

A database to provide access for general researchers to observation data about solar, astrophysics and terrestrial information derived by the observation satellites of ISAS. Includes related resource links.

The Canada-France-Hawaii Telescope Archive. Includes CFHT archives, images, instruments, help, and links.

(CDS) Astronomical databases, bibliography, documentation, and directory.

Astrophysical CATalogs support System. Contains list of catalogs, table of major radio catalogs, and search tool.

Data center that is part of the Cambridge Astronomy Survey Unit providing a selection of data from the UK's ground based telescopes. Includes archives, and catalogs.

Contains digitized sky survey, IUE archive, star catalogs, and links.

Contains information on the PDS and APM microdensitometer facilities, Carlsberg Meridian telescope, data archives, and processing center.

Patrick Shopbell's Astronomy Resources. Contains data archives, astronomical catalogs, atlas of nearby dwarf galaxies, and links.

Daily archive of interesting astronomy photos by NASA.

Data from the National Astronomical Observatory of Japan. Includes catalog service, data archives, imaging services, and journals.

An Anglo-Australian collaboration surveying 740 square degrees of high-galactic lattiude sky. Contains spectroscopic data release, results, progress report, and input catalogue, survey members, and publications.