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The catalogue includes most of the astronomical deep-sky objects that can be easily observed from Earth's Northern Hemisphere; many Messier objects are popular targets for amateur astronomers. [2] A preliminary version of the catalogue first appeared in 1774 in the Memoirs of the French Academy of Sciences for the year 1771. [3] [4] [5] The ...
The Messier catalogue: the Messier objects are a set of astronomical objects first listed by French astronomer Charles Messier in 1771. Nebulae and Star Clusters was published in 1781, with objects M1–M110. The New General Catalogue or NGC, compiled in the 1880s by J. L. E. Dreyer, lists objects NGC 0001 – NGC 7840. It is one of the largest ...
Ben — Jack Bennett's catalogue of 152 deep-sky objects in the southern celestial hemisphere, all from the NGC or IC lists, except Ben 47 which is Melotte 105 in Carina, and Ben 72a which is Trumpler 23 in Norma; Bergeron — Joe Bergeron (for example: Bergeron 1 in Cepheus) [9] BFS — Blitz-Fitch-Stark (for example: BFS 15 in Cepheus) [10]
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However, Messier did not include the coordinates of M102 on his catalogue, leading to confusion about the exact object they observed. His description of the object was the following: Nébuleuse entre les étoiles Omicron du Bouvier & Iota du Dragon: elle est très-foible; près d'elle est une étoile de la sixième grandeur.
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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 ).
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