Identifications of Centennial Calendar Images: April 2011

Images in A Century of Variable Star Observing: 1911-2010

April 2011: AAVSO Headquarters locations

Clockwise from top left:

Home of founder William Tyler Olcott, Norwich, Connecticut 1911-1919;
Building A, Harvard College Observatory, Cambridge, Massachusetts November 1919-1954;
Interiors of 4 Brattle Street, Cambridge, Massachusetts January 1954-1965;
Exterior and interior of 187 Concord Avenue, Cambridge, Massachusetts July 1965-1986;
25 Birch Street, Cambridge, Massachusetts January 1986-2007;
49 Bay State Road, Cambridge, Massachusetts February 2007 to date


Return to Identifications main page

Return to AAVSO Centennial Calendar page