Deep Sky Catalogs
Explore deep sky objects in the NGC, IC, Messier, and Caldwell catalogs, including galaxies, nebulae, and star clusters.
NGC Catalog
New General Catalogue
The NGC catalog contains a large collection of deep sky objects compiled during the 18th and 19th centuries, including galaxies, nebulae, and clusters.
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Index Catalogue
The IC catalog is an important supplement to the NGC, adding more deep sky objects discovered in the late 19th and early 20th centuries.
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Charles Messier's Collection
Includes 110 of the brightest and most iconic deep sky objects, ideal for amateur astronomers using small telescopes.
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Patrick Caldwell-Moore's List
Includes 109 curated deep sky targets for amateur observers, including many southern sky objects not covered by the Messier catalog.
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Search by catalog designation (NGC, IC, M, C) or common name.