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AAVSO 100th Anniversary Commemorative Posters

By popular demand! A set of twenty pdf commemorative posters exhibited at AAVSO Headquarters is available for downloading.

The posters show portraits of the AAVSO's Directors, Presidents, Secretaries, Treasurers, Council members, and Staff from 1911 to 2011, the top Visual, CCD, PEP, and Photographic/Photovisual observers, and Professional Astronomers in Service to the AAVSO.

Click on the links below to download each poster.

Special Notice #256: Request for fast optical time series of SN 2011fe

September 16, 2011: Dr. Bradley Schaefer (LSU) requests fast time series of SN 2011fe over the next several weeks to attempt the detection of fast optical variations in supernova light.

The following request was prepared by Dr. Schaefer which we forward at his request: