Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:age |
15 million years
|
| gptkbp:alternativeName |
gptkb:Melotte_15
gptkb:OCL_332 Cr 19 |
| gptkbp:apparentMagnitude |
6.5
|
| gptkbp:catalogue |
gptkb:New_General_Catalogue
|
| gptkbp:constellation |
gptkb:Cassiopeia
|
| gptkbp:contains |
young blue stars
|
| gptkbp:declination |
+61° 53′ 00″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1787-11-27
|
| gptkbp:distanceFromEarth |
7900 light years
|
| gptkbp:epoch |
gptkb:J2000
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 654
|
| gptkbp:locatedIn |
gptkb:Cassiopeia
|
| gptkbp:partOf |
gptkb:Perseus_Arm
|
| gptkbp:rightAscension |
01h 44m 00s
|
| gptkbp:bfsParent |
gptkb:New_General_Catalogue
|
| gptkbp:bfsLayer |
6
|