Yerkes Observatory
| Title | Yerkes Observatory |
| View | Observing 3 |
| Series | II: Buildings and Grounds |
| Description | Yerkes Observatory 40-inch refractor telescope trained on the eastern horizon as astronomers George Van Biesbroeck (right) and William W. Morgan (left) look for the periodic comet Grigg-Skjellerup (26P/ 1942 V 1942d). |
| Subject Terms | Van Biesbroeck, George, 1880-1974 | Morgan, William Wilson, 1906-1994 | Grigg, John, 1838-1920 | Skjellerup, John Francis, 1875-1952 | Grigg-Skjellerup comet | Comets |
| Photographer | Blakslee, George C., 1861-1941 |
| Photograph Date | 1927-12-19 |
| Physical Format | Photographic prints; 23.2 x 18.3 cm |
| Location | 373 W. Geneva Street | Williams Bay, Wisconsin |
| Campus Grid | Y01 |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-08743 |
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