AAVSO: American Association of Variable Star Observers
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The DASCH Public Data Release (Poster abstract)

Volume 42 number 1 (2014)

Edward J. Los
Harvard College Observatory, 60 Garden Street, Cambridge, MA 02138

Abstract

(Abstract only) The plate stacks of the Harvard College Observatory, one of the original large scale sky surveys, contains an estimated 30-50 x 109 star images spanning over 100 years. The Digital Access to a Sky Century @ Harvard (DASCH) is in the process of digitizing this archive and computing magnitudes for these images. This poster describes the public release of photometry data from approximately 29,000 scanned plates.