english: The Revised New General Catalogue and Index Catalogue (abbreviated as RNGC/IC) is a compilation made by Wolfgang Steinicke in 2009.[15][16] It is considered one of the most comprehensive and authoritative treatments of the NGC and IC catalogues.[17][18]
non_english: New General Catalogue (NGC) lan Index Catalogue (IC) ingkang paling énggal inggih dipundamel lan dipuncithah déning Wolfgang Steinicke ing taun 2009.[5][6] It is considered one of the most comprehensive and authoritative treatment of the NGC and IC catalogues.[7][8]