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
|
| gptkbp:locatedIn |
constellation Vulpecula
|
| gptkbp:partOf |
gptkb:Caldwell_catalogue
|
| gptkbp:rightAscension |
19h 43m 09s
|
| gptkbp:bfsParent |
gptkb:NGC_6826
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Caldwell 15
|