Welcome to the home page of the Harvard College Observatory (HCO). Founded in 1839, the HCO carries on a broad program of research in astronomy and astrophysics, collaborating with the Smithsonian Astrophysical Observatory (SAO) at the Harvard-Smithsonian Center for Astrophysics (CfA) and providing substantial support to Harvard's Department of Astronomy.
General Information about HCO: (617) 495-9059
General Information about SAO: SAO Public Affairs (617) 495-7463
SAO Human Resources Information: (617) 495-7371
