THE WILLIAM D. MCDOWELL OBSERVATORY IS CLOSED INDEFINITELY. The state-of-the-art Observatory features a research-grade, Classical-Cassegrain telescope housed within a six-meter retractable dome with a 20-inch mirror and is capable of viewing objects millions of light years away. The Observatory is operated by astronomers from Bergen Community College. The telescope has several special filters designed to … Continue reading William D. McDowell Observatory