| Author: | Keeler, James Edward, 1857-1900 |
| Subject: | QB, Astronomical photography, Crossley reflector, Stars -- Clusters, Nebulae |
| Format: | Text |
| Date issued: | 2011 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Photographs of Nebulæ and Clusters, Made with the Crossley Reflector [electronic resource] / James Edward Keeler |