| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| NGC 2175 | Karl Christian Bruhns | open cluster |
| NGC 2247 | William Parsons, 3rd Earl of Rosse | astronomical radio source |
| NGC 2490 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2873 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| 43 Ariadne | N. R. Pogson | asteroid |
| NGC 4118 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| 44 Nysa | Hermann Goldschmidt | asteroid |
| 46 Hestia | N. R. Pogson | asteroid |
| NGC 169 | William Parsons, 3rd Earl of Rosse | Seyfert galaxy |
| NGC 207 | William Parsons, 3rd Earl of Rosse | spiral galaxy |