McDonald Observatory
| Title | McDonald Observatory |
| View | Astronomical Photographs 5 |
| Series | II: Buildings and Grounds |
| Description | Globular cluster of stars, Messier 13 (M13, NGC 6205), in the constellation Hercules. Photograph taken at the Cassegrain focus of the 82-inch McDonald telescope (exposure 5 minutes). |
| Subject Terms | Globular clusters | Hercules (Constellation) | Stellar systems | Milky Way Galaxy | Astronomical photography |
| Photographer | Van Biesbroeck, George, 1880-1974 |
| Photograph Date | 1939-03-10 |
| Physical Format | Photographic prints; 11.5 x 11.5 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-05107 |
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