OCL 521
E1538867
UNEXPLORED
OCL 521 is an open star cluster in the constellation Monoceros, better known as NGC 2301.
All labels observed (1)
| Label | Occurrences |
|---|---|
| OCL 521 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22480525 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: OCL 521 Context triple: [NGC 2301, otherDesignation, OCL 521]
-
A.
OCL 515
OCL 515 is an open star cluster in the constellation Monoceros, commonly identified with the cluster associated with the Rosette Nebula.
-
B.
OCL 529
OCL 529 is an open star cluster in the constellation Monoceros, cataloged as NGC 2324 and known for its rich population of moderately faint stars.
-
C.
OCL 75
OCL 75 is an open star cluster in the constellation Sagittarius, better known by its primary designation NGC 6664.
-
D.
OCL 617
OCL 617 is an open star cluster in the constellation Canis Major, better known as NGC 2362, notable for its young, bright stars surrounding the luminous star Tau Canis Majoris.
-
E.
OCL 77
OCL 77 is an open star cluster in the constellation Lyra, cataloged as NGC 6664.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: OCL 521 Target entity description: OCL 521 is an open star cluster in the constellation Monoceros, better known as NGC 2301.
-
A.
OCL 515
OCL 515 is an open star cluster in the constellation Monoceros, commonly identified with the cluster associated with the Rosette Nebula.
-
B.
OCL 529
OCL 529 is an open star cluster in the constellation Monoceros, cataloged as NGC 2324 and known for its rich population of moderately faint stars.
-
C.
OCL 75
OCL 75 is an open star cluster in the constellation Sagittarius, better known by its primary designation NGC 6664.
-
D.
OCL 617
OCL 617 is an open star cluster in the constellation Canis Major, better known as NGC 2362, notable for its young, bright stars surrounding the luminous star Tau Canis Majoris.
-
E.
OCL 77
OCL 77 is an open star cluster in the constellation Lyra, cataloged as NGC 6664.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.