Contents within planetarium

• 1,503 planetary nebulae
• 6 hII regions
• 1 open cluster

Overlap with other object catalogs

• 854 Strasbourg-ESO Catalogue of Galactic Planetary Nebulae
• 93 New General Catalogue (NGC)
• 75 Abell catalog of planetary nebulae
• 35 Index Catalogue (IC)
• 13 Caldwell objects
• 6 Sharpless catalog
• 4 Messier objects
• 1 Uppsala General Catalog of galaxies (UGC)
• 1 Principal Galaxies Catalogue
• 1 Melotte catalog
• 1 Lynds' catalogue of bright nebulae
• 1 Collinder catalog

Reference

• https://cdsarc.u-strasbg.fr/viz-bin/cat/IV/24#/browse

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