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Timeline of astronomical maps, catalogs, and surveys

   * 1800 BC - Babylonian star catalog
   * 350 BC - Shin Shen's star catalog has almost 800 entries
   * 134 BC - Hipparchus makes a detailed star map
   * ca. 140 - Ptolemy completes his Almagest, which contains a catalog of
     stars, observations of planetary motions, and treatises on geometry and
   * 840 - al-Farghani _Compendium of the Science of the Stars_
   * 963 - al-Sufi's star catalog _Book of the Fixed Stars_
   * 1252-72 - Alphonsine tables recorded
   * 1437 - Publication of Ulugh Beg's Zij-i-Sultani
   * late 16th century - Tycho Brahe updates Ptolemy's Almagest
   * 1603 - Johann Bayer's _Uranometria_
   * 1678 - Edmund Halley publishes a catalog of 341 southern stars---first
     systematic southern sky survey
   * 1726 - Posthumous publication of John Flamsteed's Historia Coelestis
   * 1771 - Charles Messier publishes his first list of nebulae
   * 1862 - Friedrich Wilhelm Argelander publishes his final edition of the
     Bonner Durchmusterung catalog of stars north of declination -1.
   * 1864 - John Herschel publishes the General Catalog of nebulae and star
   * 1887 - Paris conference institutes Carte du Ciel project to map entire
     sky to 14th mag photographically
   * 1890 - John Dreyer publishes the New General Catalog of nebulae and
     star clusters
   * 1932 - Harlow Shapley and Adelaide Ames publish "A Survey of the
     External Galaxies Brighter than the Thirteenth Magnitude", later known
     as the Shapley-Ames Catalog
   * 1956 - Completion of the Palomar sky survey with the Palomar 48-inch
     Schmidt optical reflecting telescope
   * 1962 - A.S. Bennett publishes the Revised 3C Catalog of 328 radio
   * 1965 - Gerry Neugebauer and Robert Leighton begin a 2.2 micron sky
     survey with a 1.6-meter telescope on Mount Wilson
   * 1982 - IRAS space observatory completes an all-sky mid-infrared survey
   * 1990 - Publication of APM Galaxy Survey of 2+ million galaxies, to
     study Large-scale structure of the cosmos
   * 1991 - ROSAT space observatory begins an all-sky X-ray survey
   * 1993 - Start of the 20 cm VLA FIRST survey
   * 1998 - Sloan Digital Sky Survey commences
   * 2003 - 2dF Survey of Galaxy redshifts published
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