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  2. Messier object - Wikipedia

    en.wikipedia.org/wiki/Messier_object

    For example, Messier 1 is a supernova remnant, known as the Crab Nebula, and the great spiral Andromeda Galaxy is M31. Further inclusions followed; the first addition came from Nicolas Camille Flammarion in 1921, who added Messier 104 after finding Messier's side note in his 1781 edition exemplar of the catalogue.

  3. Caldwell catalogue - Wikipedia

    en.wikipedia.org/wiki/Caldwell_catalogue

    While the Messier catalogue is used by amateur astronomers as a list of deep-sky objects for observation, Moore noted that Messier's list was not compiled for that purpose and excluded many of the sky's brightest deep-sky objects, [1] such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier ...

  4. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    Chupina — (Chupina objects 1 to 5 are located at and near open star cluster Messier 67 in Cancer) CIO — Catalog of Infrared Observations; CLUST — (open star clusters) CMC — Carlsberg Meridian Catalogue; Cn — Cannon (planetary nebulae) (Cn1 / Cn2 / Cn3) Cog — Cogshall (double stars) Col — Collins (double stars)

  5. Category:Messier objects - Wikipedia

    en.wikipedia.org/wiki/Category:Messier_objects

    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 ...

  6. 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 ).

  7. 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 .

  8. Little Dumbbell Nebula - Wikipedia

    en.wikipedia.org/wiki/Little_Dumbbell_Nebula

    The Little Dumbbell Nebula, also known as Messier 76, NGC 650/651, the Barbell Nebula, or the Cork Nebula, [1] is a planetary nebula in the northern constellation of Perseus. It was discovered by Pierre Méchain in 1780 and included in Charles Messier 's catalog of comet -like objects as number 76.

  9. Ring Nebula - Wikipedia

    en.wikipedia.org/wiki/Ring_Nebula

    The Ring Nebula (also catalogued as Messier 57, M57 and NGC 6720) is a planetary nebula in the northern constellation of Lyra. [4] C] Such a nebula is formed when a star, during the last stages of its evolution before becoming a white dwarf , expels a vast luminous envelope of ionized gas into the surrounding interstellar space .