Sun

Sun
Larger

Sun
Solar Activity 62:2144 (2008-003)
VI: Yerkes Observatory
Great sunspot of February 1907. The largest of the group is 32,000 miles in diameter.
Sun--Surface | Sunspots | Solar phenomena | Astronomical photography
Fox, Philip, 1878-1944
1907-02-13
Glass plate negatives; 19.0 x 19.5 cm
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-01533

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