Sharpless 2-298
E1447281
UNEXPLORED
Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sharpless 2-298 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T20724705 — 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: Sharpless 2-298 Context triple: [NGC 2359, alsoKnownAs, Sharpless 2-298]
-
A.
Sharpless 2-220
Sharpless 2-220 is a large, bright emission nebula in the constellation Perseus, notable for its elongated shape and reddish glow produced by ionized hydrogen gas.
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B.
Sharpless 2-275
Sharpless 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rose-like appearance.
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C.
Sharpless 279
Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
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D.
Sharpless 2-190
Sharpless 2-190 is a large, bright emission nebula in the constellation Cassiopeia, notable for its heart-like shape and active star-forming regions.
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E.
Sharpless 244
Sharpless 244 is an emission nebula better known as the Crab Nebula, the supernova remnant of a stellar explosion recorded on Earth in 1054 AD.
- 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: Sharpless 2-298 Target entity description: Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
-
A.
Sharpless 2-220
Sharpless 2-220 is a large, bright emission nebula in the constellation Perseus, notable for its elongated shape and reddish glow produced by ionized hydrogen gas.
-
B.
Sharpless 2-275
Sharpless 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rose-like appearance.
-
C.
Sharpless 279
Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
-
D.
Sharpless 2-190
Sharpless 2-190 is a large, bright emission nebula in the constellation Cassiopeia, notable for its heart-like shape and active star-forming regions.
-
E.
Sharpless 244
Sharpless 244 is an emission nebula better known as the Crab Nebula, the supernova remnant of a stellar explosion recorded on Earth in 1054 AD.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.