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conferences

Landolt Standards and 21st Century Photometry

Arlo Landolt should be familiar to most of the AAVSO community, not only as a friend and former councillor of the AAVSO, but as one of the leading figures of astronomical photometry and photometric calibrations.  Arlo Landolt's work on standard stars has set the standard -- very literally -- for astronomical photometry for nearly half a century.

Women in the Geosciences: Past, Present, and Future

The following announcement is made on behalf of long time AAVSO observer/member Dr. Kristine Larsen:

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