Globular Clusters Database

Comprehensive Astronomical Catalog of Star Clusters

Globular clusters are spherical collections of stars that orbit a galactic core. This database contains detailed information about the most prominent globular clusters visible from Earth, including Messier objects and NGC catalog entries.

Messier Objects

NGC Objects

3.9

Brightest (Mag)

36.3'

Largest Diameter

Identifier	Equatorial Coordinates (J2000)		Constellation	Apparent Magnitude	Angular Diameter
Identifier	Right Ascension	Declination	Constellation	Apparent Magnitude	Angular Diameter
Brightest Globular Clusters
Omega Centauri	13^h 26^m 45.89^s	-47� 28' 36.7"	Centaurus	3.9	36.3'
47 Tucanae	00^h 24^m 05.22^s	-72� 04' 57.9"	Tucana	4.91	30'
Messier Catalog Objects
M2	21^h 33^m 27.01^s	-00� 49' 23.9"	Aquarius	6.5	16'
M3	13^h 42^m 11.23^s	+28� 22' 31.6"	Canes Venatici	6.2	18'
M4	16^h 23^m 35.41^s	-26� 31' 31.9"	Scorpius	7.12	18'
M5	15^h 18^m 33.75^s	+02� 05' 57.7"	Serpens	6.6	23'
M13 (Hercules Cluster)	16^h 41^m 41.44^s	+36� 27' 36.9"	Hercules	5.8	20'
M15	21^h 29^m 58.38^s	+12� 10' 00.6"	Pegasus	6.2	18'
M22	18^h 36^m 24.20^s	-23� 54' 12.3"	Sagittarius	6.17	32'
M30	21^h 40^m 22.03^s	-23� 10' 44.6"	Capricornus	7.7	12'
M55	19^h 39^m 59.40^s	-30� 57' 43.5"	Sagittarius	6.3	19'
M92	17^h 17^m 07.27^s	+43� 08' 11.5"	Hercules	6.4	14'
New General Catalogue Objects
NGC 288	00^h 52^m 45.3^s	-26� 34' 43"	Sculptor	8.1	13.8'
NGC 362	01^h 03^m 14.27^s	-70� 50' 53.6"	Tucana	6.4	12.9'
NGC 1261	03^h 12^m 15.35^s	-55� 13' 00.5"	Horologium	8.3	6.9'
NGC 2808	09^h 12^m 02.57^s	-64� 51' 46.2"	Carina	6.2	13.8'
NGC 3201	10^h 17^m 36.76^s	-46� 24' 40.4"	Vela	6.8	18.2'
NGC 6397	17^h 40^m 41.36^s	-53� 40' 25.3"	Ara	5.9	26'
NGC 6752	19^h 10^m 51.8^s	-59� 58' 54.7"	Pavo	5.4	20.4'
Other Notable Clusters
Terzan 5	17^h 48^m 05^s	�24� 45' 48"	Sagittarius	15	1.66'
Segue 3	21^h 21^m 31^s	19� 07' 02"	Pegasus	14.9	1.3'