Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:alsoKnownAs |
gptkb:NGC_6720
|
| gptkbp:angularSize |
1.2 × 0.8 arcminutes
|
| gptkbp:apparentMagnitude |
8.8
|
| gptkbp:catalogue |
gptkb:Caldwell_catalogue
gptkb:NGC_catalogue |
| gptkbp:constellation |
gptkb:Lyra
|
| gptkbp:declination |
+33° 01′ 45″
|
| gptkbp:discoveredBy |
gptkb:Antoine_Darquier_de_Pellepoix
|
| gptkbp:discoveredIn |
1779
|
| gptkbp:distanceFromEarth |
2,300 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Caldwell 68
|
| gptkbp:nickname |
gptkb:Ring_Nebula
|
| gptkbp:rightAscension |
18h 53m 35s
|
| gptkbp:type |
gptkb:planetary_nebula
|
| gptkbp:bfsParent |
gptkb:NGC_6523
gptkb:NGC_6727 gptkb:NGC_6729 |
| gptkbp:bfsLayer |
7
|