Sun
| Title | Sun |
| View | Solar Activity 105:769 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Solar disk with large spot and many smaller spots. Photograph taken with the 12-inch refractor telescope at Yerkes Observatory. |
| Subject Terms | Sun--Surface | Solar prominences | Solar activity | Astronomical photography |
| Photographer | Calvert, Mary Ross, 1884-1974 |
| Photograph Date | 1917-08-07 |
| Physical Format | Lantern slides; 5.7 x 6.9 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-03668 |
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