Caldwell 20

URI: https://gptkb.org/entity/Caldwell_20
GPTKB entity
Statements (15)
Predicate Object
gptkbp:instanceOf gptkb:open_cluster
gptkbp:alsoKnownAs gptkb:NGC_1857
gptkbp:apparentMagnitude 7.0
gptkbp:cataloguedIn gptkb:Caldwell_catalogue
gptkb:NGC_catalogue
gptkbp:declination +39° 20′ 15″
gptkbp:discoveredBy gptkb:William_Herschel
gptkbp:discoveredIn 1787
gptkbp:distanceFromEarth 7900 light years
gptkbp:locatedIn gptkb:constellation_Auriga
gptkbp:rightAscension 05h 20m 31s
gptkbp:bfsParent gptkb:NGC_6544
gptkb:North_America_Nebula
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Caldwell 20
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