The AAVSO provides a wide range of services to the astronomical community. AAVSO International Database data are disseminated extensively to astronomers around the world, upon request, and are freely available from the AAVSO website.
Images in A Century of Variable Star Observing: 1911-2010
September 2011: AAVSO members, observers, and friends
Images in A Century of Variable Star Observing: 1911-2010
August 2011: AAVSO members, observers, and friends
Images in A Century of Variable Star Observing: 1911-2010
June 2011: AAVSO members, observers, and friends
From the Harvard Center for Astrophysics:
Dear Colleagues,
We are sad to report that Dr. Martha Hazen died on Dec. 23 after a brief battle with acute leukemia. She was 75.
