Star Clusters
| Title | Star Clusters |
| View | Novae 40:2304 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Supernova (left) in the spiral galaxy (NGC 6946) of the constellation Cepheus discovered and photographed by George Willis Ritchey 19 July 1917. The photograph is compared with a plate taken in 1933 (right). |
| Subject Terms | Supernovae | Cepheus (Constellation) | Stellar systems | Spiral galaxies | Astronomical photography |
| Photographer | Ritchey, George Willis, 1864-1945 |
| Photograph Date | 1917/1933 |
| Physical Format | Glass plate negatives; 13.9 x 24.0 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-01130 |
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