| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| NGC 4148 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 2794 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 2797 | Heinrich Louis d'Arrest | intermediate spiral galaxy |
| NGC 3719 | Heinrich Louis d'Arrest | radio galaxy |
| NGC 3720 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 3716 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 3558 | Heinrich Louis d'Arrest | elliptical galaxy |
| 87 Sylvia | N. R. Pogson | asteroid |
| NGC 2591 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 3759 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 3809 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 4510 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 3538 | Heinrich Louis d'Arrest | galaxy |
| NGC 4481 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 591 | Lewis A. Swift | lenticular galaxy |
| NGC 778 | Édouard Stephan | lenticular galaxy |
| NGC 769 | Édouard Stephan | spiral galaxy |