New General Catalogue of Nebulae and Clusters of Stars (Astronomie)

New General Catalogue of Nebulae and Clusters of Stars [ˈnjuː ˈdʒenərəl ˈkætəlɔg əv ˈnebjʊliː ənd ˈklʌstəz əv ˈstɑːz, englisch], Astronomie: