Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
interstellar cloud |
| gptkbp:angularSize |
18×12 arcminutes
|
| gptkbp:apparentMagnitude |
7.4
|
| gptkbp:bestViewedIn |
northern hemisphere
|
| gptkbp:catalogueNumber |
gptkb:NGC_6888
|
| gptkbp:centralStarType |
gptkb:WR_136
|
| gptkbp:contains |
gptkb:sulfur
oxygen ionized hydrogen gas |
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1792
|
| gptkbp:distanceFromEarth |
about 5,000 light-years
|
| gptkbp:formedBy |
stellar wind from Wolf-Rayet star
|
| gptkbp:hasViewOf |
amateur telescopes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Crescent Nebula
|
| gptkbp:locatedIn |
gptkb:constellation_Cygnus
|
| gptkbp:otherName |
gptkb:Caldwell_27
gptkb:Sharpless_105 |
| gptkbp:partOf |
gptkb:Milky_Way_Galaxy
|
| gptkbp:shape |
crescent-shaped
|
| gptkbp:bfsParent |
gptkb:Cygnus_(constellation)
|
| gptkbp:bfsLayer |
5
|