Principal Galaxies Catalogue

Rarity: Uncommon

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What Wikipedia says

The Principal Galaxies Catalogue (PGC) is an astronomical catalog published in 1989 that lists B1950 and J2000 equatorial coordinates and cross-identifications for 73,197 galaxies. It is based on the Lyon-Meudon Extragalactic Database (LEDA), which was originally started in 1983.

Excerpt from the Wikipedia article “Principal Galaxies Catalogue”, under the CC BY-SA 4.0 license. Read the article on Wikipedia