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List of IC objects

Wikimedia list article

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 21, 2026
Entity authorityQ1328611 ↗
Source-derived summary

This is a partial list of IC objects, which are astronomical objects included in the Index Catalogue of Nebulae and Clusters of Stars. This two volume catalog was published in 1895 and 1908 by J. E. L. Dreyer.

The constellation information for this table is available from the NGC2000.0: Complete New General Catalog and Index Catalog. In some cases, the NASA/IPAC Extragalactic Database was used to confirm cross-identifications of galaxies. The remaining data is from the SIMBAD Astronomical Database unless otherwise noted.

1–999

1000–1999

2000–2999

3000–3999

4000–4999

5000–5386

See also

Lists of astronomical objects

List of NGC objects

Collinder catalogue

Lyon-Meudon Extragalactic Database

Melotte catalogue

New General Catalogue

Uppsala General Catalogue

References

Resources

Dreyer, J. L. E. (1878), "A Supplement to Sir John Herschel's 'General Catalogue of Nebulae and Clusters of Stars'", Transactions of the Royal Irish Academy, 26: 381–426, Bibcode:1878TRIA...26..381D, JSTOR 30079091.

Dreyer, J. L. E. (1910), "Second Index Catalogue of Nebulæ and Clusters of Stars, containing objects found in the years 1895 to 1907; with Notes and Corrections to the New General Catalogue and to the Index Catalogue for 1888-94", Memoirs of the Royal Astronomical Society, 59: 105, Bibcode:1910MmRAS..59..105D.

Dreyer, J. L. E. (November 1912), "Corrections to the New General Catalogue", Monthly Notices of the Royal Astronomical Society, 73: 37–40, Bibcode:1912MNRAS..73...37D, doi:10.1093/mnras/73.1.37.

Lindsay, E. M. (1965), "J. L. E. Dreyer and His New General Catalogue of Nebulae and Clusters of Stars", Astronomical Society of the Pacific Leaflets, 9 (436): 289, Bibcode:1965ASPL....9..289L.

Seligman, Courtney, "Index Catalog (IC) I / II Objects", Celestial Atlas, retrieved 2024-08-26.

Editorial summary

This brief starts where responsible research should: with the source description of “List of IC objects” as wikimedia list article. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—1895, 1908, 1000, 1999—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where List, objects and Wikimedia can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as wikimedia list article. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 21, 2026. The linked authority identifier is Q1328611. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1895, 1908, 1000 and 1999.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “List of IC objects”, its source revision and the description used here.
  2. Expand the search: follow List of IC objects primary sources, List of IC objects archive and List research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “List of IC objects”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
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Source & attribution

This entry incorporates text from “List of IC objects” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.