Sh2-274
E1497929
UNEXPLORED
Sh2-274, also known as the Medusa Nebula, is a large, faint planetary nebula in the constellation Gemini characterized by its filamentary, serpentine appearance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sh2-274 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21720303 — 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: Sh2-274 Context triple: [Medusa Nebula, hasAlternativeName, Sh2-274]
-
A.
Sh2-25
Sh2-25 is a compact emission nebula in the constellation Sagittarius, cataloged in the Sharpless catalog of H II regions.
-
B.
Sh2-298
Sh2-298 is an emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet for its distinctive helmet-like shape surrounding a massive Wolf–Rayet star.
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C.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
D.
Sh2-202
Sh2-202 is a large, faint emission nebula and H II region located in the constellation Camelopardalis.
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E.
Sh2-184
Sh2-184, commonly known as the Pacman Nebula, is an emission nebula in the constellation Cassiopeia notable for its distinctive shape resembling the classic video game character.
- 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: Sh2-274 Target entity description: Sh2-274, also known as the Medusa Nebula, is a large, faint planetary nebula in the constellation Gemini characterized by its filamentary, serpentine appearance.
-
A.
Sh2-25
Sh2-25 is a compact emission nebula in the constellation Sagittarius, cataloged in the Sharpless catalog of H II regions.
-
B.
Sh2-298
Sh2-298 is an emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet for its distinctive helmet-like shape surrounding a massive Wolf–Rayet star.
-
C.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
D.
Sh2-202
Sh2-202 is a large, faint emission nebula and H II region located in the constellation Camelopardalis.
-
E.
Sh2-184
Sh2-184, commonly known as the Pacman Nebula, is an emission nebula in the constellation Cassiopeia notable for its distinctive shape resembling the classic video game character.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.