Observatory of the Hôtel de Cluny
E457108
The Observatory of the Hôtel de Cluny was an 18th-century Parisian astronomical observatory associated with the Hôtel de Cluny, where Charles Messier conducted many of his famous comet and deep-sky observations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Observatory of the Hôtel de Cluny canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4648554 — 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: Observatory of the Hôtel de Cluny Context triple: [Charles Messier, employer, Observatory of the Hôtel de Cluny]
-
A.
Thermes de Cluny
Thermes de Cluny are the remains of a large Gallo-Roman bath complex in Paris, now integrated into the Musée de Cluny and noted for their well-preserved ancient architecture.
-
B.
Musée d’Art et d’Archéologie de Cluny
The Musée d’Art et d’Archéologie de Cluny is a French museum renowned for its collections of medieval art and archaeological artifacts, housed in the historic Cluny Abbey complex.
-
C.
Palais Jacques-Cœur
Palais Jacques-Cœur is a lavish 15th-century Gothic mansion in Bourges, France, built for the wealthy merchant and royal treasurer Jacques Cœur and renowned as a masterpiece of French civil architecture.
-
D.
Sainte-Chapelle
Sainte-Chapelle is a 13th-century Gothic royal chapel in Paris renowned for its stunning stained-glass windows and architectural splendor.
-
E.
Église du Dôme
Église du Dôme is a prominent Baroque church in Paris best known for its gilded dome and as the burial site of Napoleon Bonaparte.
- 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: Observatory of the Hôtel de Cluny Target entity description: The Observatory of the Hôtel de Cluny was an 18th-century Parisian astronomical observatory associated with the Hôtel de Cluny, where Charles Messier conducted many of his famous comet and deep-sky observations.
-
A.
Thermes de Cluny
Thermes de Cluny are the remains of a large Gallo-Roman bath complex in Paris, now integrated into the Musée de Cluny and noted for their well-preserved ancient architecture.
-
B.
Musée d’Art et d’Archéologie de Cluny
The Musée d’Art et d’Archéologie de Cluny is a French museum renowned for its collections of medieval art and archaeological artifacts, housed in the historic Cluny Abbey complex.
-
C.
Palais Jacques-Cœur
Palais Jacques-Cœur is a lavish 15th-century Gothic mansion in Bourges, France, built for the wealthy merchant and royal treasurer Jacques Cœur and renowned as a masterpiece of French civil architecture.
-
D.
Sainte-Chapelle
Sainte-Chapelle is a 13th-century Gothic royal chapel in Paris renowned for its stunning stained-glass windows and architectural splendor.
-
E.
Église du Dôme
Église du Dôme is a prominent Baroque church in Paris best known for its gilded dome and as the burial site of Napoleon Bonaparte.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
historical observatory ⓘ |
| associatedWith |
Charles Messier
ⓘ
Hôtel de Cluny ⓘ |
| connectedTo |
Messier catalogue of nebulae and star clusters
ⓘ
linked to:
Messier catalogue
|
| contributedTo | Messier catalogue ⓘ |
| coordinateSystemUsed | equatorial coordinate system ⓘ |
| country | France ⓘ |
| era | 18th century ⓘ |
| fieldOfWork |
astronomy
ⓘ
observational astronomy ⓘ |
| hasLanguageOfWorkOrName | French ⓘ |
| heritage | French astronomical heritage ⓘ |
| historicalPeriod | pre-photographic astronomy ⓘ |
| historicalStatus | defunct observatory ⓘ |
| historicalUse |
comet hunting
ⓘ
nebula and star cluster cataloguing ⓘ |
| locatedIn |
5th arrondissement of Paris
ⓘ
Hôtel de Cluny ⓘ Kingdom of France ⓘ Latin Quarter, Paris ⓘ
linked to:
Latin Quarter
Paris ⓘ |
| locationRelativeTo |
near the Sorbonne
ⓘ
near the medieval Hôtel de Cluny buildings ⓘ |
| namedAfter | Hôtel de Cluny ⓘ |
| notableFor |
comet observations
ⓘ
deep-sky observations ⓘ observations by Charles Messier ⓘ |
| observationsConductedBy |
Charles Messier
ⓘ
French astronomers ⓘ |
| partOf |
Hôtel de Cluny complex
ⓘ
linked to:
Hôtel de Cluny
Parisian network of early observatories ⓘ |
| region |
Île-de-France
ⓘ
linked to:
Île-de-France region
|
| significance |
important site in the development of deep-sky catalogues
ⓘ
important site in the history of comet discovery ⓘ |
| significantEvent | observations leading to entries in the Messier catalogue ⓘ |
| startTime | 18th century ⓘ |
| timePeriod | 18th century Paris ⓘ |
| usedBy | Charles Messier ⓘ |
| usedFor |
astronomical observation
ⓘ
comet discovery ⓘ observation of nebulae and star clusters ⓘ |
| usedInPeriod | Age of Enlightenment ⓘ |
| usedInstrumentType |
early astronomical instruments
ⓘ
refracting telescopes ⓘ |
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: Observatory of the Hôtel de Cluny Description of subject: The Observatory of the Hôtel de Cluny was an 18th-century Parisian astronomical observatory associated with the Hôtel de Cluny, where Charles Messier conducted many of his famous comet and deep-sky observations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.