Photo montage of highlights from the history of the Vatican Observatory.

Front cover:, top: Roman College; middle: Tower of the Winds; bottom: Vatican Advanced Technology Telescope (Alice P. Lennon Telescope in the dome at left; Thomas J. Bannan Astrophysics Facility at right).

Back cover: , from the top: Carte du Ciel telescope, Schmidt telescope, view across Lake Albano of the Vatican Observatory in Castel Gandolfo, double astrograph telescope, Alice P. Lennon Telescope.