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[3] [4] [5] The first version of Messier's catalogue contained 45 objects, which were not numbered. Eighteen of the objects were discovered by Messier; the rest had been previously observed by other astronomers. [6] By 1780 the catalogue had increased to 70 objects. [7] The final version of the catalogue containing 103 objects was published in ...
Terzan — Agop Terzan Catalogue of Globular Star Clusters (11 objects) THA — TH-alpha catalogue of emission line stars in the Eta Carinae nebula region; TIC — TESS Input Catalog; TIC — Tycho Input Catalog; TOI — TESS Object of Interest; Tom — Clyde Tombaugh (open star clusters) Ton — Tonantzintla Catalogue (globular star clusters)
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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.
Articles with the Messier number in the title use [[Category:Messier objects|###]], dropping the M prefix, and using only the number. The number should be padded up to 3 digits using zeroes. Articles without the Messier number in the title use [[Category:Messier objects]]. A redirect containing the Messier number should also be added to the ...
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 ...
Charles Messier added it to his catalogue of nebulous objects (now known as the Messier Catalogue) in March 1781. [8] It is one of the closest and brightest barred spiral galaxies in the sky, and is visible with binoculars. [9] It has an isophotal diameter at about 36.24 kiloparsecs (118,000 light-years).
Messier 96 (also known as M96 or NGC 3368) is an intermediate spiral galaxy about 31 million light-years away in the constellation Leo. Observational history and appearance [ edit ]