Overview The collection consists of slides used by Dr. Dufour, including published series by NASA, various observatories, and commercial publishers, along with Dufour's slides.

Overview This collection contains 242 astronomical photographic glass plates collected by Rice University's Dr. Reggie Dufour. The majority were taken at the Cerro Tololo Inter-American Observatory in the Coquimbo Region of northern Chile. A small number of the plates were taken at the Kitt Peak National Observatory near Tucson Arizona.