Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:Helix_Nebula
|
| gptkbp:angularSize |
about 25 arcminutes
|
| gptkbp:apparentMagnitude |
7.6
|
| gptkbp:catalogue |
gptkb:Caldwell_catalogue
gptkb:New_General_Catalogue |
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:constellation |
Aquarius
|
| gptkbp:declination |
−20° 50′ 13.6″
|
| gptkbp:discoveredBy |
gptkb:Karl_Ludwig_Harding
|
| gptkbp:discoveredIn |
1824
|
| gptkbp:distanceFromEarth |
about 650 light-years
|
| gptkbp:hasViewOf |
amateur telescopes
|
| https://www.w3.org/2000/01/rdf-schema#label |
C63 (NGC 7293)
|
| gptkbp:locatedIn |
gptkb:constellation_Aquarius
|
| gptkbp:notableFor |
one of the closest planetary nebulae to Earth
|
| gptkbp:rightAscension |
22h 29m 38.55s
|
| gptkbp:bfsParent |
gptkb:Caldwell_catalogue
|
| gptkbp:bfsLayer |
6
|