| Title | Star Clusters |
| View | Astronomical Photometry 98:226 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | U Cygni (with white comparison stars) in the constellation Cygnus. Double slide showing effect of intensely red star on color-corrected plate for exact photographic photometry. |
| Subject Terms | Variable stars | Stellar systems | Cygnus (Constellation) | Milky Way Galaxy |
| Photographer | Jordan, Frank Craig, 1865-1941 |
| Photograph Date | 1906-10-03 |
| Physical Format | Lantern slides; 3.3 x 7.2 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-03440 |
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