Messier 30

Messier 30
M30 by Hubble Space Telescope; 3.5′ view Credit: NASA/STScI/WikiSky
Observation data (J2000 epoch)
Class	V
Constellation	Capricornus
Right ascension	21h 40m 22.03s[1]
Declination	-23° 10′ 44.6″[1]
Distance	26 kly[citation needed] (9 kpc)
Apparent magnitude (V)	+7.7[1]
Physical characteristics
Estimated age	? Gyr
Other designations	M30, NGC 7099, GCl 122[1]
See also: Globular cluster, List of globular clusters

Messier 30 (also known as M30 or NGC 7099) is a globular cluster in the Capricornus constellation. It was discovered by Charles Messier in 1764. M30 is at a distance of about 28,000 light-years away from Earth, and about 90 light-years across.

External links

• Globular Cluster M30 @ SEDS Messier pages
• Messier 30, Galactic Globular Clusters Database page
• Messier 30 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

References

1. ^ ^{a b c d} "SIMBAD Astronomical Database". Results for NGC 7099. http://simbad.u-strasbg.fr/Simbad. Retrieved 2006-11-16. 

Coordinates: 21^h 40^m 22.03^s, −23° 10′ 44.6″