NGC 6840

galaxy
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NGC 6840

Summary

NGC 6840 is a galaxy[1]. It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • NGC 6840 is credited with the discovery of William Herschel[3].
  • NGC 6840's image is recorded as NGC6840 - SDSS DR14.jpg[4].
  • NGC 6840's instance of is recorded as galaxy[5].
  • NGC 6840's constellation is recorded as Aquila[6].
  • NGC 6840's Commons category is recorded as NGC 6840[7].
  • NGC 6840's catalog code is recorded as NGC 6840[8].
  • NGC 6840's catalog code is recorded as [KPS2012] MWSC 3205[9].
  • NGC 6840's time of discovery or invention is recorded as +1784-09-04T00:00:00Z[10].
  • NGC 6840's Google Knowledge Graph ID is recorded as /g/121hltjx[11].
  • NGC 6840's SIMBAD ID is recorded as NGC 6840[12].
  • NGC 6840's New General Catalogue ID is recorded as 6840[13].
  • NGC 6840's right ascension is recorded as {'unit': 'Q28390', 'amount': '+298.8250'}[14].
  • NGC 6840's declination is recorded as {'unit': 'Q28390', 'amount': '+12.1267'}[15].
  • NGC 6840's epoch is recorded as J2000.0[16].
  • NGC 6840's declination component of proper motion is recorded as {'unit': 'Q22137107', 'amount': '+1.01'}[17].
  • NGC 6840's right ascension component of proper motion is recorded as {'unit': 'Q22137107', 'amount': '-0.65'}[18].

Body

Designation and Status

NGC 6840's instance of is recorded as galaxy[5].

History and Context

Catalog codes include NGC 6840[8] and [KPS2012] MWSC 3205[9].

Why It Matters

NGC 6840 has Wikipedia articles in 10 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] . wikidata.org.
  3. [6] . wikidata.org.
  4. [3] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . SIMBAD. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . New catalogue of optically visible open clusters and candidates. wikidata.org.
  13. [15] . New catalogue of optically visible open clusters and candidates. wikidata.org.
  14. [16] . New catalogue of optically visible open clusters and candidates. wikidata.org.
  15. [17] . Proper motions of the optically visible open clusters based on the UCAC4 catalog. wikidata.org.
  16. [18] . 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 6840. Retrieved May 3, 2026, from https://4ort.xyz/entity/ngc-6840
MLA “NGC 6840.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ngc-6840.
BibTeX @misc{4ortxyz_ngc-6840_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 6840}}, year = {2026}, url = {https://4ort.xyz/entity/ngc-6840}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 6840 — https://4ort.xyz/entity/ngc-6840 (retrieved 2026-05-03)

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