Open cluster M11

E100906

Open cluster M11, also known as the Wild Duck Cluster, is a rich and compact star cluster in the constellation Scutum, notable for its dense stellar population and brightness in the Milky Way.

All labels observed (2)

Label Occurrences
Open cluster M11 canonical 1
open cluster M11 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf Messier object
NGC object
open star cluster
age about 220 million years
alsoKnownAs M11
Messier 11
NGC 6705
Wild Duck Cluster
angularSize 14 arcminutes
apparentMagnitudeV 5.8
apparentShapeOrigin resembles a flock of wild ducks in flight
bestSeenFrom Northern Hemisphere
bestViewingSeason summer
cataloguedBy Charles Messier
contains giant stars
numerous A-type main-sequence stars
numerous F-type main-sequence stars
coreConcentration high
declination −06° 16′
discoveredBy Gottfried Kirch
discoveryYear 1681
distanceFromEarth about 1.8 kiloparsecs
about 6000 light-years
galacticLatitude −2.8°
galacticLongitude 27.3°
hasColorMagnitudeDiagram typical of intermediate-age open clusters
locatedIn Galactic disk
Milky Way
Scutum Star Cloud
locatedInConstellation Scutum
locatedNear Scutum–Centaurus Arm
surface form: Scutum–Centaurus Arm of the Milky Way
mass several thousand solar masses
messierNumber 11
metallicity near-solar
ngcNumber 6705
notableFor dense stellar population
high surface brightness
rich and compact appearance
observedIn infrared wavelengths
optical wavelengths
partOf Milky Way open cluster system
rightAscension 18h 51m
stellarPopulation several thousand stars
trumplerClassification I,2,r
visibility visible in binoculars
well resolved in small telescopes

How these facts were elicited

Referenced by (2)

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

Orion Arm contains Open cluster M11
Scutum constellation contains Open cluster M11
subject surface form: Scutum
this entity surface form: open cluster M11