| NGC 1356 | December 23, 1837 | John Frederick William Herschel | spiral galaxy |
| NGC 1506 | December 23, 1837 | John Frederick William Herschel | brightest cluster galaxy |
| NGC 1311 | December 24, 1837 | John Frederick William Herschel | spiral galaxy |
| NGC 1500 | December 24, 1837 | John Frederick William Herschel | brightest cluster galaxy |
| NGC 1706 | December 25, 1837 | John Frederick William Herschel | spiral galaxy |
| NGC 1771 | December 25, 1837 | John Frederick William Herschel | intermediate spiral galaxy |
| NGC 1787 | December 25, 1837 | John Frederick William Herschel | stellar association |
| NGC 2849 | 1838 | John Frederick William Herschel | open cluster |
| NGC 1877 | January 17, 1838 | John Frederick William Herschel | star cluster |
| NGC 1881 | January 17, 1838 | John Frederick William Herschel | star cluster |
| Galvanography | 1840 | Wolfgang Franz von Kobell | artistic technique |
| McKean Island | August 19, 1840 | Charles Wilkes | reef island |
| Snow Hill Island | January 6, 1843 | James Clark Ross | island |
| Ruthenium | 1844 | Karl Ernst Claus | chemical element |
| Abu Simbel Phoenician graffiti | 1845 | Jean-Jacques Ampère | graffiti |
| 5 Astraea | December 8, 1845 | Karl Ludwig Hencke | asteroid |
| Inscription dédiée par Caligula à sa soeur Drusilla divinisée - 9957 | 1846 | Vincenzo Galassi | inscription |
| 6 Hebe | July 1847 | Karl Ludwig Hencke | asteroid |
| 7 Iris | August 13, 1847 | John Russell Hind | asteroid |
| 8 Flora | October 18, 1847 | John Russell Hind | asteroid |
| Daldans | 1848 | Anders Selinder | performing arts genre |
| Hipp chronoscope | 1848 | Matthäus Hipp | — |
| NGC 4110 | April 1848 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| 9 Metis | April 25, 1848 | Andrew Graham | asteroid |
| Brewster stereoscope | 1849 | David Brewster | optical instrument |
| NGC 1601 | January 14, 1849 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 1603 | January 14, 1849 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 1606 | January 14, 1849 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 1709 | January 15, 1849 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| NGC 2373 | February 20, 1849 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 2288 | February 22, 1849 | William Parsons, 3rd Earl of Rosse | elliptical galaxy |
| NGC 2321 | December 18, 1849 | William Parsons, 3rd Earl of Rosse | spiral galaxy |
| NGC 1323 | December 19, 1849 | William Parsons, 3rd Earl of Rosse | lenticular galaxy |
| 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 |