Catalogue of Galaxies and Clusters of Galaxies

The Catalogue of Galaxies and of Clusters of Galaxies (pr CGCG) was compiled by Fritz Zwicky in 1961–68. It contains 29,418 galaxies and 9,134 galaxy clusters.[1] [2]

gollark: Why did discord EMAIL me with my mentions?
gollark: Is the orbital lasing one *unexpected* at this point?
gollark: It's not just "unexpected thing", lots of those are bad.
gollark: How do you define humor, anyway?
gollark: That's solvable, just figure out how to hover.

References
  1. CDS Catalogues Service. "Zwicky Galaxy Catalog".
  2. "Archived copy". Archived from the original on 2016-03-05. Retrieved 2016-04-04.CS1 maint: archived copy as title (link)
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