Statements (16)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:open_cluster
|
gptkbp:age |
2 million years
|
gptkbp:alsoKnownAs |
gptkb:NGC_6823
|
gptkbp:angularSize |
12′
|
gptkbp:apparentMagnitude |
7.1
|
gptkbp:contains |
reflection nebula NGC 6820
|
gptkbp:declination |
+23° 18′ 00″
|
gptkbp:discoveredBy |
gptkb:William_Herschel
|
gptkbp:discoveredIn |
1785
|
gptkbp:distanceFromEarth |
6000 light-years
|
https://www.w3.org/2000/01/rdf-schema#label |
Caldwell 15
|
gptkbp:locatedIn |
constellation Vulpecula
|
gptkbp:partOf |
gptkb:Caldwell_catalogue
|
gptkbp:rightAscension |
19h 43m 09s
|
gptkbp:bfsParent |
gptkb:NGC_6826
|
gptkbp:bfsLayer |
7
|