M24
E479077
M24 is a rich star cloud in the constellation Sagittarius, visible as a bright patch of the Milky Way and often observed by amateur astronomers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M24 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4911697 — 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: M24 Context triple: [Messier 24, alsoKnownAs, M24]
-
A.
M-24
M-24 is a state highway in Michigan that serves as a key north–south transportation route through communities such as Orion Township.
-
B.
M22
M22 is a bright globular star cluster in the constellation Sagittarius, notable for being one of the closest and most easily observed globular clusters from Earth.
-
C.
M-20
M-20 is a state trunkline highway in Michigan that runs east–west across the central part of the state, connecting communities such as Midland to the broader regional road network.
-
D.
M26
The M26 is a U.S. World War II–era heavy/medium tank, commonly known as the M26 Pershing, that served as a precursor to the American Patton tank series.
-
E.
M-14
M-14 is a state highway in southeastern Michigan that serves as a major commuter route connecting Ann Arbor with the western suburbs of the Detroit metropolitan area.
- 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: M24 Target entity description: M24 is a rich star cloud in the constellation Sagittarius, visible as a bright patch of the Milky Way and often observed by amateur astronomers.
-
A.
M-24
M-24 is a state highway in Michigan that serves as a key north–south transportation route through communities such as Orion Township.
-
B.
M22
M22 is a bright globular star cluster in the constellation Sagittarius, notable for being one of the closest and most easily observed globular clusters from Earth.
-
C.
M-20
M-20 is a state trunkline highway in Michigan that runs east–west across the central part of the state, connecting communities such as Midland to the broader regional road network.
-
D.
M26
The M26 is a U.S. World War II–era heavy/medium tank, commonly known as the M26 Pershing, that served as a precursor to the American Patton tank series.
-
E.
M-14
M-14 is a state highway in southeastern Michigan that serves as a major commuter route connecting Ann Arbor with the western suburbs of the Detroit metropolitan area.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Milky Way feature
ⓘ
deep-sky object ⓘ star cloud ⓘ |
| alsoKnownAs |
Messier 24
NERFINISHED
ⓘ
Sagittarius Star Cloud NERFINISHED ⓘ |
| angularSize | approximately 1.5° × 1° ⓘ |
| apparentMagnitudeV | 4.6 ⓘ |
| appearsAs | bright patch of the Milky Way ⓘ |
| bestObservedWith |
binoculars
ⓘ
small telescope ⓘ |
| bestSeenFrom |
low northern latitudes
ⓘ
southern hemisphere ⓘ |
| bestViewingSeason | northern summer ⓘ |
| catalog | Messier catalogue NERFINISHED ⓘ |
| catalogCode | M24 ⓘ |
| constellation | Sagittarius NERFINISHED ⓘ |
| contains |
bright stars
ⓘ
dark nebulae ⓘ interstellar dust clouds ⓘ open star clusters ⓘ |
| declination | −18° 30′ ⓘ |
| discoveredBy | Charles Messier NERFINISHED ⓘ |
| discovererObservationYear | 1764 ⓘ |
| distanceFromEarth | about 10,000 light-years ⓘ |
| galacticLatitude | approximately −2° ⓘ |
| galacticLongitude | approximately 6° ⓘ |
| includedIn | many amateur observing guides ⓘ |
| is | dense star field seen through a gap in interstellar dust ⓘ |
| isNot | true star cluster ⓘ |
| locatedIn |
Milky Way
ⓘ
Sagittarius Arm of the Milky Way NERFINISHED ⓘ |
| messierNumber | 24 ⓘ |
| notableFor |
contrast with surrounding dark nebulae
ⓘ
high concentration of stars ⓘ |
| observedBy |
amateur astronomers
ⓘ
professional astronomers ⓘ |
| partOf | Milky Way band NERFINISHED ⓘ |
| regionType | rich star field ⓘ |
| rightAscension | 18h 17m ⓘ |
| skyLocationDescription | in the central region of the constellation Sagittarius ⓘ |
| surfaceBrightness | high compared to surrounding Milky Way regions ⓘ |
| visibleFrom | Earth NERFINISHED ⓘ |
| visibleIn | optical wavelengths ⓘ |
| visibleToNakedEye | yes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: M24 Description of subject: M24 is a rich star cloud in the constellation Sagittarius, visible as a bright patch of the Milky Way and often observed by amateur astronomers.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.