NGC 1817

open cluster in Taurus
Thing open_cluster Q1045478
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NGC 1817

Summary

NGC 1817 is an open cluster[1]. It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • NGC 1817 is credited with the discovery of William Herschel[3].
  • NGC 1817's image is recorded as NGC 1817 DSS.jpg[4].
  • NGC 1817's instance of is recorded as open cluster[5].
  • NGC 1817's constellation is recorded as Taurus[6].
  • NGC 1817's Commons category is recorded as NGC 1817[7].
  • NGC 1817's catalog code is recorded as NGC 1817[8].
  • NGC 1817's catalog code is recorded as C 0509+166[9].
  • NGC 1817's catalog code is recorded as [KPS2012] MWSC 0484[10].
  • NGC 1817's catalog code is recorded as Collinder 60[11].
  • NGC 1817's time of discovery or invention is recorded as +1784-02-19T00:00:00Z[12].
  • NGC 1817's topic's main category is recorded as Category:NGC 1817[13].
  • NGC 1817's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.44'}[14].
  • NGC 1817's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.7'}[15].
  • NGC 1817's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+65.3'}[16].
  • NGC 1817's metallicity is recorded as {'unit': '1', 'amount': '-0.05'}[17].
  • NGC 1817's metallicity is recorded as {'unit': '1', 'amount': '-0.11'}[18].
  • NGC 1817's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+1.5'}[19].
  • NGC 1817's Google Knowledge Graph ID is recorded as /g/120p4hkp[20].
  • NGC 1817's SIMBAD ID is recorded as NGC 1817[21].
  • NGC 1817's New General Catalogue ID is recorded as 1817[22].
  • NGC 1817's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+78.0625'}[23].
  • NGC 1817's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+16.6900'}[24].
  • NGC 1817's epoch is recorded as J2000.0[25].
  • NGC 1817's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.17'}[26].
  • NGC 1817's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.79'}[27].

Body

Works and Contributions

NGC 1817 is credited with the discovery of William Herschel[3].

Why It Matters

NGC 1817 has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . SIMBAD. wikidata.org.
  3. [6] . VizieR. wikidata.org.
  4. [3] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . SIMBAD. wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . On Structural Properties of Open Galactic Clusters and their Spatial Distribution. Catalog of Open Galactic Clusters. wikidata.org.
  10. [12] . cseligman.com. Retrieved . cseligman.com. Provenance: wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . SIMBAD. wikidata.org.
  13. [15] . SIMBAD. wikidata.org.
  14. [16] . A RAVE investigation on Galactic open clusters. wikidata.org.
  15. [17] . Zirconium, barium, lanthanum, and europium abundances in open clusters. wikidata.org.
  16. [18] . On the metallicity of open clusters. wikidata.org.
  17. [19] . Abundances of red giants in old open clusters. IV. NGC 1817, NGC 1883, NGC 2141, and NGC 2158. wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . The orbits of open clusters in the Galaxy. wikidata.org.
  22. [24] . The orbits of open clusters in the Galaxy. wikidata.org.
  23. [25] . The orbits of open clusters in the Galaxy. wikidata.org.
  24. [26] . Proper motions of the optically visible open clusters based on the UCAC4 catalog. wikidata.org.
  25. [27] . Proper motions of the optically visible open clusters based on the UCAC4 catalog. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. 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). NGC 1817. Retrieved May 7, 2026, from https://4ort.xyz/entity/ngc-1817
MLA “NGC 1817.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/ngc-1817.
BibTeX @misc{4ortxyz_ngc-1817_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 1817}}, year = {2026}, url = {https://4ort.xyz/entity/ngc-1817}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 1817 — https://4ort.xyz/entity/ngc-1817 (retrieved 2026-05-07)

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