| Invention or discovery | Date | Inventor or discoverer |
|---|---|---|
| NGC 4662 | March 17, 1787 | William Herschel |
| NGC 3319 | February 3, 1788 | William Herschel |
| NGC 169 | September 18, 1857 | William Parsons, 3rd Earl of Rosse |
| Invention or discovery | Date | Inventor or discoverer |
|---|---|---|
| NGC 4662 | March 17, 1787 | William Herschel |
| NGC 3319 | February 3, 1788 | William Herschel |
| NGC 169 | September 18, 1857 | William Parsons, 3rd Earl of Rosse |