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1771 — Charles Messier publishes his first list of nebulae; 1824 — Urania's Mirror by Sidney Hall; 1862 — Friedrich Wilhelm Argelander publishes his final edition of the Bonner Durchmusterung catalog of stars north of declination-1°. 1864 — John Herschel publishes the General Catalogue of nebulae and star clusters
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 ...
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 ]
3 Messier 1-110. Toggle the table of contents. Wikipedia: WikiProject Astronomical objects/Catalogues/Messier Catalogue. Add languages. Add links. Project page; Talk;
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.
It is the faintest object in the Messier catalog, with an apparent magnitude of 10.2. [3] ... a 9th-magnitude galaxy which Messier recorded in 1778.
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]
Charles Messier listed both in the Messier Catalogue about three days after Koehler's discovery. [11] This is an elliptical galaxy of type E5 [7] with a position angle of 163.3°, [8] indicating the overall shape shows a flattening of 50%. [12] However, isophotes for this galaxy deviate from a perfect ellipticity, showing pointed shapes instead ...
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