Nebulae
| Title | Nebulae |
| View | M57, NGC 6720 41:1738 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Two images of the planetary "Ring" nebula (M57, NGC 6720) in the constellation Lyra, and its spectrum. |
| Subject Terms | Lyra (Constellation) | Planetary nebulae | Spectra | Stellar systems | Astronomical photography |
| Photograph Date | Undated |
| Physical Format | Glass plate negatives; 9.8 x 12.4 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-01146 |
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