| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| 51 Nemausa | Joseph Jean Pierre Laurent | asteroid |
| NGC 2605 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2688 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| 55 Pandora | George Mary Searle | asteroid |