When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Timeline of astronomical maps, catalogs, and surveys

    en.wikipedia.org/wiki/Timeline_of_astronomical...

    c. 300 BC — star catalog of Timocharis of Alexandria; c. 134 BC — Hipparchus makes a detailed star map; c. 150 — Ptolemy completes his Almagest, which contains a catalog of stars, observations of planetary motions, and treatises on geometry and cosmology; c. 705 — Dunhuang Star Chart, a manuscript star chart from the Mogao Caves at Dunhuang

  3. Henry Draper Catalogue - Wikipedia

    en.wikipedia.org/wiki/Henry_Draper_Catalogue

    The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...

  4. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    SFA Star Charts – Free star charts; Geody Star Charts – Free (CC-by-sa) printer friendly star charts for several latitudes and times of the year; An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere ...

  5. Star catalogue - Wikipedia

    en.wikipedia.org/wiki/Star_catalogue

    The list was revised in 1983 with the publication of a supplement that listed additional stars down to magnitude 7.1. The catalogue detailed each star's coordinates, proper motions, photometric data, spectral types, and other useful information. The last printed version of the Bright Star Catalogue was the 4th revised edition, released in 1982.

  6. Star Destroyer - Wikipedia

    en.wikipedia.org/wiki/Star_Destroyer

    Star Destroyers are capital ships in the fictional Star Wars universe. Star Destroyers were produced by Kuat Drive Yards, later Kuat-Entralla Engineering, and serve as "the signature vessel of the fleet" for the Galactic Empire, the First Order, and the Sith Eternal in numerous published works including film, television, novels, comics, and video games.

  7. List of Nakshatras - Wikipedia

    en.wikipedia.org/wiki/List_of_Nakshatras

    It stands to reason that during the original naming of these months—whenever that happened—they were indeed based on the nakshatras that coincided with them in some manner. The modern Indian national calendar is a solar calendar, much like the Gregorian calendar wherein solstices and equinoxes fall on the same date(s) every year.

  8. Atlas Coelestis - Wikipedia

    en.wikipedia.org/wiki/Atlas_Coelestis

    The Atlas Coelestis is a star atlas published posthumously in 1729, based on observations made by the First Astronomer Royal, John Flamsteed. [1]The Atlas – the largest that ever had been published and the first comprehensive telescopic star catalogue and companion celestial atlas [2] [3] – contains 26 maps of the major constellations visible from Greenwich, with drawings made in the ...

  9. Flamsteed designation - Wikipedia

    en.wikipedia.org/wiki/Flamsteed_designation

    84 stars entered in Flamsteed's catalog are errors and proved not to exist in the sky: [7] All of them except 11 Vulpeculae were plotted on his star charts. Flamsteed observed Uranus in 1690 but did not recognize it as a planet and entered it into his catalog as a star called "34 Tauri". 11 Vulpeculae was a nova, now known as CK Vulpeculae.