Deep Space Catalog Project - Catalog Identifications

3C - 3rd Cambridge Catalog of Radio Sources
Am - Catalog of Southern Peculiar Galaxies
Ark - Arakelian Galaxies of High Surface Brightness
Arp - Atlas of Peculiar Galaxies
Barnard - Dark Nebula
Borngen - Catalog of Faint Blue Objects in Virgo Region
CGCG - Catalog of Galaxies and Clusters of Galaxies
DSCN - Deep Space Catalog, Nonstellar Objects
ESO - European Southern Observatory Catalog
Gum - Southern HII Regions
IC - Index Catalog
IRAS - Infrared Astronomical Satellite Point Source Catalog
LBN - Lynds Bright Nebula
LDN - Lynds Dark Nebula
M - Messier Catalog
Mailyan - Dwarf Galaxy Catalog
MCG - Morphological Catalog of Galaxies
Mrk - Markarian Galaxies with Ultraviolet Continuum
NGC - New General Catalog
PGC - Principal Galaxies Catalog
PK - Nebuleuse Planetaire
PN - Strasbourg-ESO Catalogue of Galactic Planetary Nebula
RCW - Rodgers, Campbell, Whiteoak Catalogue of H-Alpha Emission Regions in the Southern Milky Way
Sh - Sharpless Emmision Nebula
UGC - Uppsala General Catalog
UGCA - Uppsala General Catalog Addenda