Uppsala General Catalogue
CATALOGUE OF GALAXIES VISIBLE FROM THE NORTHERN HEMISPHERE
UGC (astronomy); UGCA; Catalogue of Selected Non-UGC Galaxies; Uppsala General Catalogue Addendum; Uppsala General Catalogue of Galaxies; UGC (catalog of galaxies)
The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12,921 galaxies visible from the northern hemisphere. It was first published in 1973.