(CDS) Astronomical databases, bibliography, documentation, and directory.
The Astrophysics Data Facility (ADF), located at the NASA Goddard Space Flight Center.
The Canada-France-Hawaii Telescope Archive. Includes CFHT archives, images, instruments, help, and links.
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.
Faint images of the radio sky at the wavelength of 20 centimeters.
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.
Provides simultaneously queries, and many astronomical databases. Includes input target coordinates or name, data type, source, and bandpass.
Offers data, cross-identifications, observational measurements, and bibliography for celestial objects outside the solar system including stars, galaxies, and nonstellar objects within our galaxy, or in external galaxies.
A list of the personal web pages of professional astronomers from around the world. Extensive.
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.