what does ngc stand for in astronomy?
Answer   The 'New General Catalogue' was an update to Sir John Herschel's 'General Catalogue,' hence the name 'NGC'. Henry Dreyer and Annie Jump Cannon compiled the NGC i â¦ n the late 19th and early 20th century. This catalog, like its predecessor the GC, focused on cataloging the non-stellar deep sky objects found in astro-photographic plates.