Taken at Mount Wilson, 1905. #6 of Plate 51 in E. E. Barnard, A Photographic Atlas of Selected Regions of the Milky Way (1927).
The Yerkes Glass Plate Collection consists of more than 175,000 photographic glass plates negatives and their associated logbooks, located at the University of Chicago and Yerkes Observatory in Williams Bay, WI. Representing images from the 1890s to the 1990s, the collection includes sky surveys, objective prism observations, and spectroscopic images, among other types of plates.
This collection shares digitized glass plates and logbooks as well as the research of University staff, faculty, and students regarding:
Digitization methods of astronomical photographic glass plates for contemporary scientific research
Metadata collection
Transcription of logbooks
Work of the women of Yerkes
Mary Calvert at the Kenwood Refractor
University of Chicago Photographic Archive, apf6-01280, Hanna Holborn Gray Special Collections Research Center, University of Chicago Library.
Mary Ross Calvert observing at the Kenwood Refractor at Yerkes Observatory, 1926.
Liz Medina at the 40" Refractor
Personal photograph
Student Liz Medina observing at the 40" Refractor at Yerkes Observatory, 2019.