Union Observatory

decommissioned astronomical observatory
Organization astronomical_observatory Q2564753
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Union Observatory

Summary

Union Observatory is an astronomical observatory[1]. It draws 8 Wikipedia views per month (astronomical_observatory category, ranking #60 of 345).[2]

Key Facts

  • Union Observatory is located in Observatory[3].
  • Union Observatory is in the country of South Africa[4].
  • Union Observatory's image is recorded as Union Observatory in 1905.png[5].
  • Union Observatory's instance of is recorded as astronomical observatory[6].
  • +1903-01-01T00:00:00Z marks the founding of Union Observatory[7].
  • Union Observatory was dissolved in +1972-00-00T00:00:00Z[8].
  • Union Observatory's coordinate location is recorded as {'lat': -26.18425, 'lon': 28.074227777778}[9].
  • Union Observatory's Freebase ID is recorded as /m/03dhnr[10].
  • Union Observatory's Minor Planet Center observatory code is recorded as 078[11].
  • Union Observatory's official website is recorded as http://assa.saao.ac.za/sections/history/observatories/rep_obs/[12].
  • Union Observatory's date of official opening is recorded as +1903-00-00T00:00:00Z[13].
  • Union Observatory's elevation above sea level is recorded as {'unit': 'Q11573', 'amount': '+1808'}[14].
  • Union Observatory's date of official closure is recorded as +1972-00-00T00:00:00Z[15].

Body

Founding

+1903-01-01T00:00:00Z marks the founding of Union Observatory[7].

Dissolution

Union Observatory was dissolved in +1972-00-00T00:00:00Z[8].

Brands and Namesakes

Things named for Union Observatory include 1585 Union[16], an asteroid[17].

Why It Matters

Union Observatory draws 8 Wikipedia views per month (astronomical_observatory category, ranking #60 of 345).[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[18] It is known by 10 alternative names across languages and contexts.[19]

Entities named for it include 1585 Union[16], an asteroid[17].

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] . wikidata.org.
  4. [3] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Freebase Data Dumps. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [16] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [17] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] . Wikidata sitelinks. wikidata.org.
  3. [19] . 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). Union Observatory. Retrieved April 10, 2026, from https://4ort.xyz/entity/union-observatory
MLA “Union Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/union-observatory.
BibTeX @misc{4ortxyz_union-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Union Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/union-observatory}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Union Observatory — https://4ort.xyz/entity/union-observatory (retrieved 2026-04-10)

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