Messier 102
E1454492
UNEXPLORED
Messier 102 is a disputed entry in Charles Messier’s catalog, commonly identified with the edge-on spiral galaxy NGC 5866 in the constellation Draco.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Messier 102 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20576739 — 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: Messier 102 Context triple: [Pierre Méchain, discovered, Messier 102]
-
A.
Messier 108
Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
-
B.
Messier 101
Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
-
C.
Messier 109
Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
-
D.
Messier 63
Messier 63, also known as the Sunflower Galaxy, is a bright, flocculent spiral galaxy in the constellation Canes Venatici and a prominent member of the M51 Group.
-
E.
Messier 52
Messier 52 is a young, rich open star cluster located in the constellation Cassiopeia, visible through small telescopes as a dense grouping of stars.
- 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: Messier 102 Target entity description: Messier 102 is a disputed entry in Charles Messier’s catalog, commonly identified with the edge-on spiral galaxy NGC 5866 in the constellation Draco.
-
A.
Messier 108
Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
-
B.
Messier 101
Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
-
C.
Messier 109
Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
-
D.
Messier 63
Messier 63, also known as the Sunflower Galaxy, is a bright, flocculent spiral galaxy in the constellation Canes Venatici and a prominent member of the M51 Group.
-
E.
Messier 52
Messier 52 is a young, rich open star cluster located in the constellation Cassiopeia, visible through small telescopes as a dense grouping of stars.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.