Harvard College Observatory

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: Anne LeBlanc (617) 495-7371

Associate Director for Administration: Maureen Connors (617) 495-2540
Superintendent of Facilities: Charlie Hickey (617) 495-9238
  Great Refractor at HCO
The Great Refractor:
This 15-inch telescope known as "The Great Refractor" was installed at Cambridge in 1847. Click here to find out more.

Section Photo