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Messier 14 (also known as M14 or NGC 6402) is a globular cluster in the constellation Ophiuchus. It was discovered by Charles Messier in 1764.

At a distance of about 30,000 light-years, M14 contains several hundreds of thousands of stars. At an apparent magnitude +7.6 it can be easily observed with binoculars. Medium-sized telescopes will show some hint of the individual stars of which the brightest is of magnitude +14.

The total luminosity of M14 is in the order of 400,000 times that of the Sun corresponding to an absolute magnitude of -9.12. The shape of the cluster is decidedly elongated. M14 is about 100 light-years across.

A respectable total of 70 variable stars is known in M14, many of the W Virginis variety common in globular clusters. In 1938, a nova appeared although this was not discovered until photographic plates from that time were studied in 1964. It is estimated that the nova reached a maximum brightness of magnitude +9.2, over five times brighter than the brightest 'normal' star in the cluster.

Slightly over 3° southwest of M14 lies the faint globular cluster NGC 6366.

File:M14HunterWilson.jpg

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Template:Messier objects Template:Skyzh-min-nan:Messier 14 be:Аб'ект Месье M14ca:Messier 14 cs:Messier 14 co:M14eo:M14 fa:مسیه ۱۴ fr:M14 (amas globulaire) ko:M14 (천체) hr:Messier 14 it:M14 (astronomia) lt:Mesjė 14 hu:Messier 14 nl:Messier 14 ja:M14 (天体)ro:Messier 14 ru:Шаровое скопление М14 sk:Hviezdokopa M14 fi:Messier 14 tr:Messier 14zh:M14 (球狀星團)

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