Yerkes Observatory
| Title | Yerkes Observatory |
| View | Sunspots 2 |
| Series | II: Buildings and Grounds |
| Description | Great sunspot of July 1905 photographed at Yerkes Observatory. |
| Subject Terms | Sun | Sunspots | Solar activity | Astronomical photography |
| Photograph Date | 1905-07 |
| Physical Format | Photographic prints; 22.0 x 17.3 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-08917 |
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