Search results
Results from the WOW.Com Content Network
Messier 15 or M15 (also designated NGC 7078 and sometimes known as the Great Pegasus Cluster) is a globular cluster in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Charles Messier 's catalogue of comet -like objects in 1764.
Johansson — (open star clusters) (for example: Johansson 1 at 15:46:20 / -52:22:54 in Norma) Joy — Alfred Harrison Joy (double stars) JP11 – a 1978 catalog compiling photometric measurements in Harold Johnson's 11-color photometric system ; Jsp — Morris Ketchum Jessup (double stars) Juchert — (open star clusters)
A preliminary version of the catalogue first appeared in 1774 in the Memoirs of the French Academy of Sciences for the year 1771. [3] [4] [5] The first version of Messier's catalogue contained 45 objects, which were not numbered. Eighteen of the objects were discovered by Messier; the rest had been previously observed by other astronomers. [6 ...
See also: Globular cluster, List of globular clusters Messier 107 or M107 , also known as NGC 6171 or the Crucifix Cluster , is a very loose globular cluster in a very mildly southern part of the sky close to the equator in Ophiuchus , and is the last such object in the Messier Catalogue .
1 M 1-110. 2 M1-110. 3 Messier 1-110. ... Wikipedia: WikiProject Astronomical objects/Catalogues/Messier Catalogue. Add languages. Add links. Project page; Talk ...
What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code
This cluster is located 1,205 pc [2] away from Earth with an extinction of 0.87. [10] Messier 21 is around 6.6 million years old with a mass of 783.4 M ☉. [5] It has a tidal radius of 11.7 pc, [5] with a nucleus radius of 1.6 ± 0.1 pc and a coronal radius of 3.6 ± 0.2 pc.
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 .