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Messier 56 (also known as M56 or NGC 6779) is a globular cluster in the constellation Lyra. [ a ] It was discovered by Charles Messier in 1779. [ b ] It is angularly found about midway between Albireo (Beta (β) Cygni) and Sulafat (Gamma (γ) Lyrae).
Messier 18 or M18, also designated NGC 6613 and sometimes known as the Black Swan Cluster, is an open cluster of stars in the constellation Sagittarius. It was discovered by Charles Messier in 1764 and included in his list of comet -like objects. [ 8 ]
Image of Messier and Messier A, Photo Lunar Orbiter V-041H. Captured and processed by the Lunar Orbiter Image Recovery Project February, 2013. Messier is a relatively young lunar impact crater located on the Mare Fecunditatis. The crater has a discernible oblong shape that is not caused by foreshortening. The longer dimension is oriented in an ...
Messier 110, or M110, also known as NGC 205, is a dwarf elliptical galaxy that is a satellite of the Andromeda Galaxy in the Local Group. [ 9 ] Early observational history
Messier 50 or M 50, also known as NGC 2323 or the Heart-shaped Cluster, is an open cluster of stars in the constellation Monoceros. It was recorded by G. D. Cassini before 1711 and independently discovered by Charles Messier in 1772 [b] while observing Biela's Comet. It is sometimes described as a 'heart-shaped' figure or a blunt arrowhead. [3]
Messier 52 or M52, also known as NGC 7654 or the Scorpion Cluster, is an open cluster of stars in the highly northern constellation of Cassiopeia. It was discovered by Charles Messier in 1774. [ 3 ] [ a ] It can be seen from Earth under a good night sky with binoculars .
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]
Messier 23, also known as NGC 6494, is an open cluster of stars in the northwest of the southern constellation of Sagittarius. [7] It was discovered by Charles Messier in 1764. [ a ] [ 3 ] It can be found in good conditions with binoculars or a modestly sized telescope . [ 3 ]