Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:NGC_7635
gptkb:Bubble_Nebula |
| gptkbp:angularSize |
15 × 8 arcminutes
|
| gptkbp:apparentMagnitude |
8.5
|
| gptkbp:catalogue |
gptkb:Caldwell_catalogue
gptkb:NGC_catalogue |
| gptkbp:centralStarType |
gptkb:SAO_20575
|
| gptkbp:declination |
+61° 12′ 6″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1787
|
| gptkbp:distanceFromEarth |
about 7,100 light-years
|
| gptkbp:hasViewOf |
amateur telescopes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Caldwell 11
|
| gptkbp:ionizedBy |
massive O-type star
|
| gptkbp:locatedIn |
gptkb:Milky_Way
constellation Cassiopeia |
| gptkbp:notableFeature |
bubble-shaped emission nebula
|
| gptkbp:rightAscension |
23h 20m 48.0s
|
| gptkbp:bfsParent |
gptkb:Bubble_Nebula
|
| gptkbp:bfsLayer |
7
|