Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:NGC_1857
|
| gptkbp:apparentMagnitude |
7.0
|
| gptkbp:cataloguedIn |
gptkb:Caldwell_catalogue
gptkb:NGC_catalogue |
| gptkbp:declination |
+39° 20′ 59″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1787
|
| gptkbp:distanceFromEarth |
~7,900 light-years
|
| gptkbp:locatedIn |
gptkb:Auriga
|
| gptkbp:rightAscension |
05h 20m 23s
|
| gptkbp:bfsParent |
gptkb:NGC_185
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Caldwell 18
|