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  2. C/2007 N3 (Lulin) - Wikipedia

    en.wikipedia.org/wiki/C/2007_N3_(Lulin)

    The comet was first photographed by astronomer Lin Chi-Sheng (林啟生) with a 0.41-metre (16 in) telescope at the Lulin Observatory in Nantou, Taiwan on July 11, 2007. . However, it was the 19-year-old Ye Quanzhi (葉泉志) from Sun Yat-sen University in China, who identified the new object from three of the photographs taken by Lin

  3. Lulin Observatory - Wikipedia

    en.wikipedia.org/wiki/Lulin_Observatory

    The Lulin Observatory (Chinese: 鹿林天文台; pinyin: Lùlín Tiānwéntái; lit. 'Deer Forest Astronomical Observatory', obs. code : D35 ) is an astronomical observatory operated by the Institute of Astronomy, National Central University in Taiwan .

  4. List of periodic comets - Wikipedia

    en.wikipedia.org/wiki/List_of_periodic_comets

    In comet nomenclature, the letter before the "/" is either "C" (a non-periodic comet), "P" (a periodic comet), "D" (a comet that has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated —usually historical comets), "I" for an interstellar object, or "A" for an object that was either mistakenly ...

  5. Lists of comets - Wikipedia

    en.wikipedia.org/wiki/Lists_of_comets

    Coin showing Caesar's Comet as a star with eight rays, tail upward. Non-periodic comets are seen only once. They are usually on near-parabolic orbits that will not return to the vicinity of the Sun for thousands of years, if ever.

  6. 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

  7. C/2008 T2 (Cardinal) - Wikipedia

    en.wikipedia.org/wiki/C/2008_T2_(Cardinal)

    C/2008 T2 (Cardinal), is a non-periodic comet. It was discovered by Rob. D. Cardinal from the University of Calgary. [1] [4] [5] It was visible as a telescopic and binocular object during 2009. [5] [6] It passed near the Perseus star clusters NGC 1528 on March 15 and NGC 1545 on March 17, 2009. [7]

  8. Carte du Ciel - Wikipedia

    en.wikipedia.org/wiki/Carte_du_Ciel

    The Sydney 'Star Camera' used in the Carte du Ciel project, original publication, 1892. The Carte du Ciel (French pronunciation: [kaʁt dy sjɛl]; literally, 'Map of the Sky') and the Astrographic Catalogue (or Astrographic Chart) were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue and map the positions of ...

  9. Skalnate Pleso Atlas of the Heavens - Wikipedia

    en.wikipedia.org/wiki/Skalnate_Pleso_Atlas_of...

    The Atlas Coeli covers both hemispheres with 16 charts. The coordinate system is referred to equinox 1950.0 and the scale is 1° = 0.75 cm. There are six charts of the equatorial regions on a rectangular graticule, covering declinations from +25° to -25°; four charts for each hemisphere with straight, converging hour circles and concentric, equally-spaced declination circles covering ...