 This observatory included many rooms with tools that were useful to observers including a library for research, a room for processing, photographic glass plates, multiple antique instruments used by previous astronomers, and many artifacts.The observatory does contain areas that are closed to the public view, although there are multiple places that tourists are welcome to visit.Lowell Observatory currently operates four research telescopes at its Anderson Mesa dark-sky site, located southeast of Flagstaff, including the Perkins Telescope (in partnership with Boston University) and the John S. Hall Telescope.