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Allegheny Observatory

historic observatory of the University of Pittsburgh
Organization Astronomical Observatory Q549937
Allegheny Observatory
Tom Murphy VII · Public Domain · Wikimedia

Facts

12 properties

Identity

Instance of
astronomical observatory
Official website
pitt.edu[10]

Status and dates

Inception
1900[8]

Location

Country
United States[3]
Location
Riverview Park[7]
Coordinate location
🗺️ 40.483°, -80.021°[9]
Located in the administrative territorial entity
Pittsburgh[2]
Street address
159 Riverview Avenue, Pittsburgh, PA 15214[13]
More facts +4
Architect
Thorsten E. Billquist[4]
Architectural style
Neoclassical architecture[6]
Heritage designation
National Register of Historic Places listed place, Pittsburgh History & Landmarks Foundation Historic Landmark[11][12]
Operator
University of Pittsburgh[5]
🏷️ Also known as
en Allegheny Observatory ar مرصد أليغيني es Observatorio de Allegheny fr observatoire Allegheny it osservatorio Allegheny ja アレゲニー天文台 nl Allegheny Observatorium ru Обсерватория Аллегейни zh 亞利加尼天文台 zh 阿利剛天文台 zh-hant 阿利剛天文臺 zh-hant 阿利根尼天文臺
🔖 Identifiers · 13
VIAF cluster ID
261750723
Library of Congress Authorities ID
n88172962
GND ID
1230072-X
ArchINFORM project ID
76566
Freebase ID
/m/06b9t0
GNIS Feature ID
1168171
GeoNames ID
5178054
Kalliope-Verbund (GND) ID
1230072-X
Minor Planet Center observatory code
778
NRHP reference number
79002157
OpenStreetMap way ID
253993952
Wolfram Language entity code
Entity["AstronomicalObservatory", "AlleghenyPittsburgh"]
Show all 13 identifiers +1
Yale LUX ID
group/0502446c-6e92-4bc2-ac9a-3bf6e0ff4879
📚 Sources · 1
  • GeoNames as of 2026-09-26 · 1 statement · CC BY 4.0 CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.

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⛏️ Lake Facts · open-dataset statements via 4ort-mint

From open datasets, joined by identifier and shown only for properties Wikidata does not state on this entity — except where the dataset is the registry authority for the fact (ClinicalTrials.gov on trial registration data): there its value is shown instead, with Wikidata's noted beside it. Every row carries its dataset edition and licence.

Elevation above sea levelP2044
371 m 2026-09-26 US GeoNames (CC BY 4.0) as of 2026-09-26
where from?
Source
GeoNames
Edition
20260926 · as of 2026-09-26
Licence
CC BY 4.0
Credit
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
Bronze
1da92a6323a5fec3… admin1CodesASCII.txt +9 files
Transform
4ort-mint · lake · version not recorded
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
🔗 Connections
Employees / affiliates 2
Samuel Langley, James Edward Keeler
← Place of burial 2
James Edward Keeler, John Brashear
Architectural style 1
Neoclassical architecture
Country 1
United States
Instance of 1
astronomical observatory
Located in the administrative territorial entity 1
Pittsburgh
Operator 1
University of Pittsburgh
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Summary

Allegheny Observatory is an astronomical observatory[1].

Related Entities

James Edward Keeler Samuel Langley United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Allegheny Observatory. Retrieved November 6, 2026, from https://4ort.xyz/entity/allegheny-observatory
MLA “Allegheny Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/allegheny-observatory.
BibTeX @misc{4ortxyz_allegheny-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Allegheny Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/allegheny-observatory}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Allegheny Observatory — https://4ort.xyz/entity/allegheny-observatory (retrieved 2026-11-06)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9w ago · IdeasMagnet · 2026-09-07 view diff on Wikidata ↗
    Official website → https://pitt.edu/~aobsvtry/
    Heritage designation → National Register of Historic Places listed place, Pittsburgh History & Landmarks Foundation Historic Landmark
    Instance of → astronomical observatory
    Country → United States
    + 8 other properties edited (see Wikidata diff for full list)
    "Created claim: OpenStreetMap way ID: 253993952, Adding OSM way id claim from wikidata tag on way/253993952 in United States"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.