Yerkes Observatory
| Title | Yerkes Observatory |
| View | Solar activity 1 |
| Series | II: Buildings and Grounds |
| Description | Prominence of July 15, 1919. Three views showing increase in height of 200,000 km in one hour. Photographed at Yerkes Observatory. |
| Subject Terms | Solar prominences | Solar corona | Astronomical photography |
| Photograph Date | 1919-07-15 |
| Physical Format | Photographic prints; 22.0 x 11.0 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-08756 |
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