The
einline link at the
Smithsonian Astrophysical Observatory for Einstein and ROSAT data
products;
VizieR Catalogue Browser
courtesy of CDS/ESRIN; search by catalog, wavelength, mission, keyword,
and/or object type;
Optical Identification
Database (OPTID) for optical photographic star and galaxy
identifications to the IRAS Faint Source Survey; to access, use their
remote access online catalog service,
XCATSCAN;
Astronomer's Bazaar--the
CDS astronomical catalogue service, tables from Astronomy &
Astrophysics and other journals, and a Dictionary of Nomenclature of
Celetial Objects.
ESO Sky Calendar Tool
for producing a nighttime calendar for a single site; listings include Sun
rise and set times, astronomical twilights in civil time and LST, Moon
rise and set times, Moon phases, and more.
IAU Specifications
concerning
designations for astronomical radiation sources outside the solar system.
IDL Astronomy User's
Library with descriptions and man pages of procedures; includes astro,
DAOPHOT, database, disk I/O, FITS astrometry and calibration,
STSDAS FITS maniupulation, FITS ASCII table I/O, FITS binary table
extensions, FITS I/O, image manipulation, math and statistics, plotting,
IDL structures, STSDAS binary table I/O, tape IO, TV display, and
miscellaneous non-astronomy procedures
IDL Keyword
Search for the HI-SCALE, IDL User routines, astronomy, and APL
libraries
天文资源
Astronomical Resources
