Sun

Sun
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Sun
Solar Activity 78:7 (2008-003)
VI: Yerkes Observatory
Sunspots on the solar surface. Spectroheliogram taken at Mount Wilson Solar Observatory.
Sun--Surface | Sunspots | Solar phenomena | Spectroheliograms
1908-10-07
Lantern slides; 6.4 x 5.8 cm
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-02269

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