| NGC 2673 | December 19, 1849 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 1683 | 1850 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 1685 | 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 3187 | 1850 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 1622 | January 16, 1850 | William Parsons, 3rd Earl of Rosse | intermediate spiral galaxy |
| NGC 2694 | March 9, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 2779 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2823 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | radio galaxy |
| NGC 2826 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2827 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 2828 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2831 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 2832 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | brightest cluster galaxy |
| NGC 2834 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 2839 | March 13, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 5906 | April 13, 1850 | William Parsons, 3rd Earl of Rosse | astronomical object |
| 11 Parthenope | May 11, 1850 | Annibale de Gasparis | asteroid |
| NGC 970 | September 14, 1850 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 971 | September 14, 1850 | William Parsons, 3rd Earl of Rosse | star |
| NGC 733 | October 11, 1850 | William Parsons, 3rd Earl of Rosse | star |
| NGC 737 | October 11, 1850 | William Parsons, 3rd Earl of Rosse | asterism |
| NGC 738 | October 11, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 740 | October 11, 1850 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 751 | October 11, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 761 | October 11, 1850 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 714 | October 28, 1850 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 717 | October 28, 1850 | Heinrich Louis d'Arrest | lenticular galaxy |
| 13 Egeria | November 2, 1850 | Annibale de Gasparis | asteroid |
| NGC 130 | November 4, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 385 | November 4, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 386 | November 4, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 388 | November 4, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 318 | November 19, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 486 | December 6, 1850 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 492 | December 6, 1850 | William Parsons, 3rd Earl of Rosse | intermediate spiral galaxy |
| NGC 500 | December 6, 1850 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 1424 | December 8, 1850 | William Parsons, 3rd Earl of Rosse | intermediate spiral galaxy |
| NGC 2330 | January 2, 1851 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 2334 | January 2, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2697 | January 24, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 3000 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | galaxy |
| NGC 3002 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | galaxy |
| NGC 3004 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | galaxy |
| NGC 3005 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 3006 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 3008 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 3179 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 3180 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | H II region |
| NGC 3181 | January 25, 1851 | William Parsons, 3rd Earl of Rosse | H II region |
| NGC 2510 | January 31, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2511 | January 31, 1851 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 2458 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2461 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | star |
| NGC 2462 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 2464 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | galaxy |
| NGC 2465 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | star |
| NGC 2471 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | galaxy |
| NGC 2472 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 2473 | February 20, 1851 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 2762 | February 26, 1851 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |