Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:Ring_Nebula
|
| gptkbp:angularSize |
1.3 arcminutes
|
| gptkbp:apparentMagnitude |
8.8
|
| gptkbp:catalogue |
gptkb:Messier_57
|
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:declination |
+33° 01′ 45.03″
|
| gptkbp:discoveredBy |
gptkb:Antoine_Darquier_de_Pellepoix
|
| gptkbp:discoveredIn |
1779
|
| gptkbp:distanceFromEarth |
2,300 light-years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:expansion |
20–30 km/s
|
| gptkbp:hasViewOf |
amateur telescopes
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 6720
|
| gptkbp:locatedIn |
gptkb:Lyra
|
| gptkbp:notableFor |
distinct ring structure
|
| gptkbp:partOf |
gptkb:Messier_Catalogue
|
| gptkbp:photo |
gptkb:Hubble_Space_Telescope
|
| gptkbp:rightAscension |
18h 53m 35.079s
|
| gptkbp:shape |
elliptical ring
|
| gptkbp:bfsParent |
gptkb:Ring_Nebula
gptkb:M57 |
| gptkbp:bfsLayer |
6
|