Encyclopedia > Index Catalog

Article Content

Index Catalog

The Index Catalogue (IC) appeared as two appendices to Dreyer[?]'s NGC catalog of deep sky objects. It summarized the discoveries of galaxies, clusters and nebulae between 1888 and 1905.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

List of closed London Underground stations

... tube station (for the Aldwych branch of the Piccadilly Line) These stations once served by the Metropolitan Line, District Line or Northern City Line (Great Northern ...