Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomer
gptkb:planetary_nebula |
| gptkbp:alsoKnownAs |
gptkb:North_America_Nebula
|
| gptkbp:angularSize |
120 x 100 arcminutes
|
| gptkbp:apparentMagnitude |
4.0
|
| gptkbp:bestViewedIn |
summer months
|
| gptkbp:catalogue |
gptkb:Caldwell_catalogue
gptkb:New_General_Catalogue |
| gptkbp:contains |
dark nebula L935 (Gulf of Mexico region)
|
| gptkbp:declination |
+44° 20′ 00″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1786
|
| gptkbp:distanceFromEarth |
about 2,590 light-years
|
| gptkbp:hasViewOf |
gptkb:Northern_Hemisphere
|
| gptkbp:ionizedBy |
nearby star Deneb
|
| gptkbp:locatedIn |
gptkb:constellation_Cygnus
|
| gptkbp:notableFeature |
resembles North America continent
|
| gptkbp:partOf |
gptkb:Milky_Way
|
| gptkbp:rightAscension |
20h 58m 54s
|
| gptkbp:bfsParent |
gptkb:Caldwell_catalogue
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
C20 (NGC 7000)
|