Sh 2-281
E1441337
UNEXPLORED
Sh 2-281 is an H II emission nebula better known as the Orion Nebula, a prominent star-forming region in the constellation Orion.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sh 2-281 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20631146 — 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: Sh 2-281 Context triple: [NGC 1976, catalogCode, Sh 2-281]
-
A.
Sh 2-279
Sh 2-279 is a bright emission and reflection nebula complex in the constellation Orion, commonly known as the Running Man Nebula and located near the famous Orion Nebula.
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B.
Sh 2-277
Sh 2-277, better known as the Flame Nebula, is a bright emission nebula in the constellation Orion associated with the Orion Belt star Alnitak.
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C.
Sh 2-276
Sh 2-276 is a large, faint emission nebula in the constellation Orion, commonly known as Barnard's Loop, forming part of the Orion molecular cloud complex.
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D.
Sh 2-275
Sh 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rosette-like appearance.
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E.
Sh 2-25
Sh 2-25 is an emission nebula in the constellation Sagittarius, better known as part of the bright star-forming region Messier 8 (the Lagoon Nebula).
- 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: Sh 2-281 Target entity description: Sh 2-281 is an H II emission nebula better known as the Orion Nebula, a prominent star-forming region in the constellation Orion.
-
A.
Sh 2-279
Sh 2-279 is a bright emission and reflection nebula complex in the constellation Orion, commonly known as the Running Man Nebula and located near the famous Orion Nebula.
-
B.
Sh 2-277
Sh 2-277, better known as the Flame Nebula, is a bright emission nebula in the constellation Orion associated with the Orion Belt star Alnitak.
-
C.
Sh 2-276
Sh 2-276 is a large, faint emission nebula in the constellation Orion, commonly known as Barnard's Loop, forming part of the Orion molecular cloud complex.
-
D.
Sh 2-275
Sh 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rosette-like appearance.
-
E.
Sh 2-25
Sh 2-25 is an emission nebula in the constellation Sagittarius, better known as part of the bright star-forming region Messier 8 (the Lagoon Nebula).
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.