Contents within planetarium

• 1,456 galaxies
• 4 galaxy clusters
• 3 duplicate catalogue entries

Overlap with other object catalogs

• 329 Uppsala General Catalog of galaxies (UGC)
• 306 Principal Galaxies Catalogue
• 193 New General Catalogue (NGC)
• 66 Index Catalogue (IC)
• 14 Arp's catalog of peculiar galaxies
• 2 Uppsala General Catalog of galaxies addendum (UGCA)
• 1 Collinder catalog
• 1 Caldwell objects

Reference

• http://cdsarc.u-strasbg.fr/viz-bin/Cat?VII/172

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