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  2. 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 ...

  3. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/.../List_of_astronomical_catalogues

    An astronomical catalogue is a list or tabulation of astronomical objects, ... HVGC-1 in the supergiant elliptical galaxy Messier 87 in Virgo)

  4. 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 ]

  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 100 - Wikipedia

    en.wikipedia.org/wiki/Messier_100

    Messier 100 (also known as NGC 4321 or the Mirror Galaxy) is a grand design intermediate spiral galaxy in the southern part of the mildly northern Coma Berenices. [5] It is one of the brightest and largest galaxies in the Virgo Cluster and is approximately 55 million light-years [ 3 ] from our galaxy , about 166,000 light-years in diameter.

  8. Messier 99 - Wikipedia

    en.wikipedia.org/wiki/Messier_99

    Coma Pinwheel Galaxy, Virgo Cluster Pinwheel, M99, NGC 4254, PGC 39578, UGC 7345 [9] Messier 99 or M99 , also known as NGC 4254 or St. Catherine's Wheel , is a grand design spiral galaxy in the northern constellation Coma Berenices approximately 15,000,000 parsecs (49,000,000 light-years ) from the Milky Way . [ 5 ]

  9. M51 Group - Wikipedia

    en.wikipedia.org/wiki/M51_Group

    The table below lists galaxies that have been consistently identified as group members in the Nearby Galaxies Catalog, [4] the survey of Fouque et al., [3] the Lyons Groups of Galaxies (LGG) Catalog, [1] and the three group lists created from the Nearby Optical Galaxy sample of Giuricin et al. [2]