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- 19th century
The 19th century
1,725 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 2898 | February 6, 1864 | Albert Marth | lenticular galaxy |
| NGC 2713 | March 3, 1864 | Albert Marth | spiral galaxy |
| NGC 2716 | March 3, 1864 | Albert Marth | lenticular galaxy |
| NGC 2723 | March 3, 1864 | Albert Marth | lenticular galaxy |
| NGC 2729 | March 3, 1864 | Albert Marth | lenticular galaxy |
| NGC 2731 | March 3, 1864 | Albert Marth | spiral galaxy |
| NGC 2773 | March 6, 1864 | Albert Marth | radio galaxy |
| NGC 2777 | March 6, 1864 | Albert Marth | spiral galaxy |
| NGC 2651 | March 10, 1864 | Albert Marth | spiral galaxy |
| NGC 2720 | March 10, 1864 | Albert Marth | lenticular galaxy |
| NGC 2728 | March 10, 1864 | Albert Marth | spiral galaxy |
| NGC 2485 | March 25, 1864 | Albert Marth | spiral galaxy |
| NGC 2499 | March 25, 1864 | Albert Marth | spiral galaxy |
| NGC 2504 | March 25, 1864 | Albert Marth | spiral galaxy |
| NGC 2526 | March 25, 1864 | Albert Marth | spiral galaxy |
| NGC 2711 | March 28, 1864 | Albert Marth | radio galaxy |
| NGC 2730 | March 28, 1864 | Albert Marth | radio galaxy |
| NGC 2734 | March 28, 1864 | Albert Marth | elliptical galaxy |
| NGC 2741 | March 28, 1864 | Albert Marth | lenticular galaxy |
| NGC 2745 | March 28, 1864 | Albert Marth | lenticular galaxy |
| NGC 2751 | March 28, 1864 | Albert Marth | spiral galaxy |
| NGC 2752 | March 28, 1864 | Albert Marth | spiral galaxy |
| NGC 2861 | March 28, 1864 | Albert Marth | spiral galaxy |
| NGC 2877 | March 28, 1864 | Albert Marth | galaxy |
| NGC 2878 | March 28, 1864 | Albert Marth | spiral galaxy |
| NGC 2923 | April 1864 | Albert Marth | intermediate spiral galaxy |
| NGC 2928 | April 1864 | Albert Marth | spiral galaxy |
| NGC 2941 | April 1864 | Albert Marth | lenticular galaxy |
| NGC 2943 | April 1864 | Albert Marth | elliptical galaxy |
| NGC 2946 | April 1864 | Albert Marth | spiral galaxy |
| NGC 3391 | April 1864 | Albert Marth | spiral galaxy |
| NGC 3399 | April 1864 | Albert Marth | lenticular galaxy |
| NGC 2786 | April 5, 1864 | Albert Marth | spiral galaxy |
| NGC 3357 | April 5, 1864 | Albert Marth | elliptical galaxy |
| NGC 3919 | April 6, 1864 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 4295 | April 6, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 4165 | April 8, 1864 | Heinrich Louis d'Arrest | intermediate spiral galaxy |
| NGC 2949-1 | April 13, 1864 | Albert Marth | lenticular galaxy |
| NGC 3405-2 | April 13, 1864 | Albert Marth | galaxy |
| NGC 4563 | April 13, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 3569 | April 27, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 3042 | April 30, 1864 | Albert Marth | lenticular galaxy |
| NGC 3062 | April 30, 1864 | Albert Marth | spiral galaxy |
| NGC 3126 | April 30, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 2896 | May 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| 80 Sappho | May 2, 1864 | N. R. Pogson | asteroid |
| NGC 4090 | May 2, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 4093 | May 4, 1864 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 3844 | May 8, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 3855 | May 8, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 3873 | May 8, 1864 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 3048-1 | May 9, 1864 | Albert Marth | galaxy |
| NGC 3816 | May 9, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 4613 | May 9, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 4614 | May 9, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 4615 | May 9, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 3787 | May 10, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 4170 | May 22, 1864 | Heinrich Louis d'Arrest | star |
| NGC 4171 | May 22, 1864 | Heinrich Louis d'Arrest | star |
| NGC 4249 | May 26, 1864 | Albert Marth | lenticular galaxy |