Yerkes Observatory
| Title | Yerkes Observatory |
| View | Mars 2 |
| Series | II: Buildings and Grounds |
| Description | Mars, photographed by astronomer Edward Emerson Barnard with the Yerkes Observatory 40-inch refractor telescope, 1909. Lower right: Region of Mare Cimmerium, October 6, 4:15 (UT); Others: Syrtus Major Region, September 29, 5h (UT). Each exposure is the superposition of three to five original frames. This reduces grain and brings out fine halftones. |
| Subject Terms | Mars (Planet) | Mars surface | Refracting telescopes | Astronomical photography |
| Photographer | Barnard, Edward Emerson, 1857-1923 |
| Photograph Date | 1909-10-06 |
| Physical Format | Photographic prints; 17.0 x 13.6 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-08737 |
View information about rights and permissions.
View information about ordering reproductions.