Messier 72

E869020

Messier 72 is a distant, relatively faint globular star cluster located in the constellation Aquarius.

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Statements (37)

Predicate Object
instanceOf globular cluster
absoluteMagnitudeV −7.31
addedToMessierCatalogueBy Charles Messier NERFINISHED
age ~9.5 billion years
angularSize 6.0 arcminutes
apparentMagnitudeV 9.3
belongsToCatalogue Messier Catalogue NERFINISHED
New General Catalogue NERFINISHED
bestSeenWith medium-sized telescope
catalogCode M72 NERFINISHED
NGC 6981 NERFINISHED
coreRadius ~0.72 arcminutes
declination −12° 32′ 14″
discoveredBy Pierre Méchain NERFINISHED
discoveryDate 1780-08-29
distanceFromEarth ~16.7 kiloparsecs
~54,600 light-years
equatorialCoordinateSystem J2000
galacticLatitude −27.60°
galacticLongitude 35.16°
halfLightRadius ~1.65 arcminutes
hasAlternateName M 72 NERFINISHED
NGC 6981 NERFINISHED
hasNearbyObjectOnSky Messier 73 NERFINISHED
hostGalaxy Milky Way NERFINISHED
isDistantGlobularCluster true
isRelativelyFaint true
locatedIn Milky Way halo NERFINISHED
locatedInConstellation Aquarius NERFINISHED
messierCatalogueEntryYear 1780
metallicityFeH −1.54
observedBestIn September
rightAscension 20h 53m 27s
shapleySawyerConcentrationClass IX
surfaceBrightness low
visibleFromHemisphere Northern Hemisphere NERFINISHED
Southern Hemisphere NERFINISHED

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Aquarius containsDeepSkyObject Messier 72