Messier 78
E1359298
UNEXPLORED
Messier 78 is a bright reflection nebula in the constellation Orion, notable for its blue dust clouds illuminated by nearby young stars and its role as an active star-forming region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Messier 78 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19118840 — 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 78 Context triple: [NGC 2068, alsoKnownAs, Messier 78]
-
A.
NGC 7009
NGC 7009, also known as the Saturn Nebula, is a bright planetary nebula notable for its ringed, Saturn-like appearance in the constellation Aquarius.
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B.
Messier79
Messier 79 is a dense globular star cluster located in the constellation Lepus, composed of hundreds of thousands of ancient stars.
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C.
NGC 6729
NGC 6729 is a variable reflection and emission nebula in the constellation Corona Australis, associated with star-forming regions and young stellar objects.
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D.
Barnard 7
Barnard 7 is a dark molecular cloud and star-forming region within the Taurus molecular cloud complex, notable for its dense gas and dust that obscure background starlight.
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E.
Barnard 5
Barnard 5 is a dark molecular cloud and active star-forming region located within the Perseus molecular cloud complex.
- 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 78 Target entity description: Messier 78 is a bright reflection nebula in the constellation Orion, notable for its blue dust clouds illuminated by nearby young stars and its role as an active star-forming region.
-
A.
NGC 7009
NGC 7009, also known as the Saturn Nebula, is a bright planetary nebula notable for its ringed, Saturn-like appearance in the constellation Aquarius.
-
B.
Messier79
Messier 79 is a dense globular star cluster located in the constellation Lepus, composed of hundreds of thousands of ancient stars.
-
C.
NGC 6729
NGC 6729 is a variable reflection and emission nebula in the constellation Corona Australis, associated with star-forming regions and young stellar objects.
-
D.
Barnard 7
Barnard 7 is a dark molecular cloud and star-forming region within the Taurus molecular cloud complex, notable for its dense gas and dust that obscure background starlight.
-
E.
Barnard 5
Barnard 5 is a dark molecular cloud and active star-forming region located within the Perseus molecular cloud complex.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.