The Catalogue of Galaxies and of Clusters of Galaxies (or CGCG), also known as the Zwicky Catalogue, was compiled by Fritz Zwicky in 1961–68. It contains 29,418 galaxies and 9,134 galaxy clusters.

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File:A picture of I ZW 1 taken by HST.jpg|I Zwicky 1

File:I Zwicky 18a.jpg|I Zwicky 18

File:Galaxy I Zwicky 32.jpeg|I Zwicky 32, a face-on spiral galaxy in the constellation of Canes Venatici

File:One ring to rule them all.jpg|Ring galaxy II Zwicky 28

File:CGCG 396-002 Potw2227a.jpg|CGCG 396-002

File:ARP 102 Zwicky connected galaxies.png|ARP 102, Zwicky Connected Galaxies

File:UGCA 281 (2018-27-4164).png|I Zwicky 36

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  • Caltech library's free online PDFs of all six volumes of the Catalogue

References