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  2. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/.../List_of_astronomical_catalogues

    An astronomical catalogue is a list or tabulation of astronomical ... Download as PDF; Printable version ... HVGC-1 in the supergiant elliptical galaxy Messier 87 in ...

  3. Messier object - Wikipedia

    en.wikipedia.org/wiki/Messier_object

    The Messier catalogue is one of the most famous lists of astronomical objects, and many objects on the list are still referenced by their Messier numbers. [1] 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 ...

  4. Wikipedia:WikiProject Astronomical objects/Catalogues/Messier ...

    en.wikipedia.org/.../Catalogues/Messier_Catalogue

    3 Messier 1-110. Toggle the table of contents. Wikipedia: WikiProject Astronomical objects/Catalogues/Messier Catalogue. Add languages. Add links. Project page; Talk;

  5. 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 ...

  6. Messier 87 - Wikipedia

    en.wikipedia.org/wiki/Messier_87

    In 1781, the French astronomer Charles Messier published a catalogue of 103 objects that had a nebulous appearance as part of a list intended to identify objects that might otherwise be confused with comets. In subsequent use, each catalogue entry was prefixed with an "M". Thus, M87 was the eighty-seventh object listed in Messier's catalogue. [15]

  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. New General Catalogue - Wikipedia

    en.wikipedia.org/wiki/New_General_Catalogue

    The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies , star clusters and emission nebulae .

  9. Principal Galaxies Catalogue - Wikipedia

    en.wikipedia.org/wiki/Principal_Galaxies_Catalogue

    The obscured dwarf galaxy PGC 39058 Hubble image of the elliptical galaxy PGC 6240. [1] The Principal Galaxies Catalogue (PGC) is an astronomical catalog published in 1989 that lists B1950 and J2000 equatorial coordinates and cross-identifications for 73,197 galaxies.