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Identifications of Centennial Calendar Images: April 2011

Due to the New England winter storm currently affecting the area, phone coverage at the AAVSO may be much reduced until Wednesday. The staff is still available via email, and we suggest using that method to contact us if you need assistance.

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


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AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484