John Brashear once said "the Allegheny observatory would remain forever free to the people" and to this day it has although in modern times the free public tours are only offered a couple nights each week.
約翰·布拉斯爾（英语：John Brashear）曾經說過："阿利根尼天文台將永遠對市民免費開放" ，然而在現在，每週只有兩個夜晚提供民眾免費的參觀。