- Dictionary of Nomenclature of Celestial Objects Last update: 09-Aug-2002 CDS · Simbad · VizieR · Aladin · Catalogues · Nomenclature · Biblio · StarPages · AstroWeb Designations of astronomical objects are often confusing. Astronomical designations (also called Object Identifiers) have been collected and published by Lortet and collaborators in Dictionaries of ...vizier.u-strasbg.fr/cgi-bin/Dic