Catalogue · 1908 CE
Index Catalogue (IC)
History of Astronomy
About the catalogue
The two Index Catalogues (1895 and 1908), compiled by J. L. E. Dreyer as supplements to the New General Catalogue, adding thousands of nebulae and clusters discovered with photography and larger telescopes.
Knowledge connections
- Part ofModern Astronomy
- Associated withDreyer's General Catalogues
Sources & references
The primary and reference sources this topic draws on.
- OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.