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  2. Charles Messier - Wikipedia

    en.wikipedia.org/wiki/Charles_Messier

    Charles Messier (French: [ʃaʁl me.sje]; 26 June 1730 – 12 April 1817) was a French astronomer. He published an astronomical catalogue consisting of 110 nebulae and star clusters , which came to be known as the Messier objects , referred to with the letter M and their number between 1 and 110.

  3. Messier object - Wikipedia

    en.wikipedia.org/wiki/Messier_object

    Charles Messier. The first edition of 1774 covered 45 objects (M1 to M45).The total list published by Messier in 1781 contained 103 objects, but the list was expanded through successive additions by other astronomers, motivated by notes in Messier's and Méchain's texts indicating that at least one of them knew of the additional objects.

  4. Timeline of astronomical maps, catalogs, and surveys

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

    1771 — Charles Messier publishes his first list of nebulae; 1824 — Urania's Mirror by Sidney Hall; 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 Catalogue of nebulae and star clusters

  5. Messier marathon - Wikipedia

    en.wikipedia.org/wiki/Messier_marathon

    A Messier marathon is an attempt, usually organized by amateur astronomers, to find as many Messier objects as possible during one night. The Messier catalogue was compiled by French astronomer Charles Messier during the late 18th century and consists of 110 relatively bright deep-sky objects (galaxies, nebulae, and star clusters).

  6. Messier 13 - Wikipedia

    en.wikipedia.org/wiki/Messier_13

    Messier 13 was discovered by Edmond Halley in 1714, [2] and cataloged by Charles Messier on June 1, 1764, [9] into his list of objects not to mistake for comets; Messier's list, including Messier 13, eventually became known as the Messier catalog. [10] It is located at right ascension 16 h 41.7 m, declination +36° 28'. Messier 13 is often ...

  7. Messier 102 - Wikipedia

    en.wikipedia.org/wiki/Messier_102

    Messier 102 (also known as M102) is a galaxy listed in the Messier Catalogue that cannot be unambiguously identified. Its original discoverer Pierre Méchain retracted his discovery two years after publication and said that it was a duplicate observation of Messier 101 . [ 1 ]

  8. Messier 83 - Wikipedia

    en.wikipedia.org/wiki/Messier_83

    Messier 83 captured by the Wide Field Imager at ESO's La Silla Observatory in September 2008 M83 is a massive, grand design spiral galaxy . [ 10 ] Its morphological classification in the De Vaucouleurs system is SAB(s)c, [ 2 ] where the 'SAB' denotes a weak-barred spiral, '(s)' indicates a pure spiral structure with no ring, and 'c' means the ...

  9. Winnecke 4 - Wikipedia

    en.wikipedia.org/wiki/Winnecke_4

    Winnecke 4 (also known as Messier 40 or WNC 4) is an optical double star consisting of two unrelated stars in a northerly zone of the sky, Ursa Major. The pair were discovered by Charles Messier in 1764 while he was searching for a nebula that had been reported in the area by Johannes Hevelius .

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