David Dunlap Observatory

astronomical observatory in Ontario Canada
Organization astronomical_observatory Q531487
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David Dunlap Observatory

Summary

David Dunlap Observatory is an astronomical observatory[1]. It draws 33 Wikipedia views per month (astronomical_observatory category, ranking #37 of 345).[2]

Key Facts

  • David Dunlap Observatory is located in Richmond Hill[3].
  • David Dunlap Observatory is in the country of Canada[4].
  • David Dunlap Observatory's image is recorded as Dunlap Observatory.jpg[5].
  • David Dunlap Observatory's instance of is recorded as astronomical observatory[6].
  • David Dunlap Observatory's operator is recorded as Royal Astronomical Society of Canada[7].
  • David Alexander Dunlap is named after David Dunlap Observatory[8].
  • David Dunlap Observatory's ISNI is recorded as 0000000106939738[9].
  • David Dunlap Observatory's VIAF cluster ID is recorded as 139500063[10].
  • David Dunlap Observatory's GND ID is recorded as 1227850-6[11].
  • David Dunlap Observatory's Library of Congress authority ID is recorded as n90617792[12].
  • David Dunlap Observatory's IdRef ID is recorded as 064805794[13].
  • David Dunlap Observatory's Commons category is recorded as David Dunlap Observatory[14].
  • +1935-01-01T00:00:00Z marks the founding of David Dunlap Observatory[15].
  • David Dunlap Observatory's coordinate location is recorded as {'lat': 43.863, 'lon': -79.4227}[16].
  • David Dunlap Observatory's Freebase ID is recorded as /m/035y77[17].
  • David Dunlap Observatory's Minor Planet Center observatory code is recorded as 779[18].
  • David Dunlap Observatory's official website is recorded as http://www.astro.utoronto.ca/DDO[19].
  • David Dunlap Observatory's BIBSYS ID is recorded as 7011546[20].
  • David Dunlap Observatory's heritage designation is recorded as designated heritage property (part IV)[21].
  • David Dunlap Observatory's heritage designation is recorded as national historic site of Canada[22].
  • David Dunlap Observatory's date of official opening is recorded as +1935-05-31T00:00:00Z[23].
  • David Dunlap Observatory's Canadiana Authorities ID is recorded as 0100D0094[24].
  • David Dunlap Observatory's elevation above sea level is recorded as {'unit': 'Q11573', 'amount': '+224'}[25].
  • David Dunlap Observatory's National Historic Sites of Canada ID is recorded as 15734[26].
  • David Dunlap Observatory's Songkick venue ID is recorded as 4069909[27].

Body

Founding

+1935-01-01T00:00:00Z marks the founding of David Dunlap Observatory[15].

Operations

David Dunlap Observatory's operator is recorded as Royal Astronomical Society of Canada[7].

Why It Matters

David Dunlap Observatory draws 33 Wikipedia views per month (astronomical_observatory category, ranking #37 of 345).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[28] It is known by 5 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . Ontario Heritage Act Register. Retrieved . wikidata.org.
  4. [3] . Ontario Heritage Act Register. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Virtual International Authority File. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Virtual International Authority File. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Ontario Heritage Act Register. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Ontario Heritage Act Register. Retrieved . heritagetrust.on.ca. Provenance: wikidata.org.
  20. [22] . Directory of Federal Heritage Designations. Retrieved . pc.gc.ca. Provenance: wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. 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). David Dunlap Observatory. Retrieved April 11, 2026, from https://4ort.xyz/entity/david-dunlap-observatory
MLA “David Dunlap Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/david-dunlap-observatory.
BibTeX @misc{4ortxyz_david-dunlap-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{David Dunlap Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/david-dunlap-observatory}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): David Dunlap Observatory — https://4ort.xyz/entity/david-dunlap-observatory (retrieved 2026-04-11)

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