Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:open_cluster
|
gptkbp:age |
about 25 million years
|
gptkbp:alternativeName |
gptkb:NGC_581
gptkb:Cr_14 gptkb:Melotte_7 |
gptkbp:angularSize |
6 arcminutes
|
gptkbp:apparentMagnitude |
7.4
|
gptkbp:bestViewedIn |
autumn
|
gptkbp:catalogue |
gptkb:Messier_Catalogue
gptkb:NGC_581 |
gptkbp:contains |
about 40 stars
|
gptkbp:declination |
+60° 42′ 30″
|
gptkbp:discoveredBy |
gptkb:Pierre_Méchain
|
gptkbp:discoveredIn |
1781
|
gptkbp:distanceFromEarth |
about 8,000 to 10,000 light-years
|
gptkbp:hasViewOf |
gptkb:Northern_Hemisphere
|
https://www.w3.org/2000/01/rdf-schema#label |
Messier 103
|
gptkbp:locatedIn |
constellation Cassiopeia
|
gptkbp:rightAscension |
01h 33m 23s
|
gptkbp:bfsParent |
gptkb:Pierre_Méchain
|
gptkbp:bfsLayer |
7
|