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Solar Activity 78:42 (2008-003)
VI: Yerkes Observatory
Sunspot of 7 July 1903 showing dark and bright hydrogen flocculi.
Sun--Surface | Sunspots | Sun--Flocculi | Spectroheliograms
Hale, George Ellery, 1868-1938; Ellerman, Ferdinand, 1869-1940
1903-07-07
Lantern slides; 5.7 x 7.8 cm
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-02293

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