Identifications of Centennial Calendar Images: August 2011
Images in A Century of Variable Star Observing: 1911-2010
August 2011: AAVSO members, observers, and friends
AAVSO History
Identifications of Centennial Calendar Images: January 2012
Images in A Century of Variable Star Observing: 1911-2010
January 2012: the AAVSO logo
Top left: original design, 1911;
Identifications of Centennial Calendar Images: July 2011
Images in A Century of Variable Star Observing: 1911-2010
July 2011: AAVSO charts
a) T Her finder chart distributed by William Tyler Olcott 1911;
b) SS Cyg field photo with sequence stars marked and measured;
c) S Vir chart with lettered sequence and measured values;
d) S Vir blueprint standard chart 1912;
Identifications of Centennial Calendar Images: June 2011
Images in A Century of Variable Star Observing: 1911-2010
June 2011: AAVSO members, observers, and friends
Identifications of Centennial Calendar Images: March 2011
Images in A Century of Variable Star Observing: 1911-2010
March 2011: AAVSO observers and their observing equipment and observatories
Identifications of Centennial Calendar Images: February 2011
Images in A Century of Variable Star Observing: 1911-2010
February 2011: AAVSO members and observers
Identifications of Centennial Calendar Images: May 2011
Images in A Century of Variable Star Observing: 1911-2010
May 2011: AAVSO members and observers (women)
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:
Identifications of Centennial Calendar Images: January 2011
Images in A Century of Variable Star Observing: 1911-2010
January 2011: AAVSO leaders
Clockwise from top center:
