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- 19th century
The 19th century
1,725 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 3012 | April 30, 1862 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 587 | August 27, 1862 | Heinrich Louis d'Arrest | intermediate spiral galaxy |
| NGC 721 | August 27, 1862 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 472 | August 29, 1862 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 162 | September 5, 1862 | Herman Schultz | star |
| NGC 502 | September 25, 1862 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 522 | September 25, 1862 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 525 | September 25, 1862 | Heinrich Louis d'Arrest | lenticular galaxy |
| Indium | 1863 | Ferdinand Reich | chemical element |
| NGC 1268 | February 14, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 1270 | February 14, 1863 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 1272 | February 14, 1863 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 1273 | February 14, 1863 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 1278 | February 14, 1863 | William Herschel | elliptical galaxy |
| NGC 1334 | February 14, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 3376 | February 19, 1863 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 4629 | February 19, 1863 | Heinrich Louis d'Arrest | intermediate spiral galaxy |
| NGC 2753-2 | February 21, 1863 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 2929 | February 21, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 2931 | February 21, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 2737 | February 23, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 2738 | February 23, 1863 | Heinrich Louis d'Arrest | radio galaxy |
| NGC 4078 | April 17, 1863 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 2620 | May 5, 1863 | William Lassell | spiral galaxy |
| NGC 4351 | May 19, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 1573 | August 1863 | Wilhelm Tempel | elliptical galaxy |
| NGC 582 | August 9, 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 4139 | August 10, 1863 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 503 | August 13, 1863 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 616 | August 14, 1863 | Heinrich Louis d'Arrest | binary star |
| NGC 117 | September 13, 1863 | Albert Marth | lenticular galaxy |
| NGC 219 | September 16, 1863 | George Phillips Bond | elliptical galaxy |
| NGC 208 | October 5, 1863 | Albert Marth | spiral galaxy |
| NGC 1593 | November 7, 1863 | Albert Marth | lenticular galaxy |
| NGC 997 | November 10, 1863 | Albert Marth | elliptical galaxy |
| NGC 1541 | November 14, 1863 | Albert Marth | lenticular galaxy |
| NGC 1542 | November 18, 1863 | Albert Marth | spiral galaxy |
| NGC 1875 | November 18, 1863 | Albert Marth | lenticular galaxy |
| NGC 825 | November 18, 1863 | Albert Marth | spiral galaxy |
| NGC 831 | November 18, 1863 | Albert Marth | spiral galaxy |
| NGC 844 | November 18, 1863 | Albert Marth | spiral galaxy |
| NGC 2614 | December 1863 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 1109 | December 2, 1863 | Albert Marth | lenticular galaxy |
| NGC 1112 | December 2, 1863 | Albert Marth | intermediate spiral galaxy |
| NGC 1113 | December 2, 1863 | Albert Marth | astronomical object |
| NGC 1115 | December 2, 1863 | Albert Marth | lenticular galaxy |
| NGC 1116 | December 2, 1863 | Albert Marth | spiral galaxy |
| NGC 1127 | December 2, 1863 | Albert Marth | galaxy |
| NGC 3119 | December 14, 1863 | Albert Marth | lenticular galaxy |
| NGC 2791 | December 21, 1863 | Albert Marth | spiral galaxy |
| NGC 2819 | December 21, 1863 | Albert Marth | elliptical galaxy |
| NGC 938 | December 30, 1863 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 2598 | 1864 | Albert Marth | spiral galaxy |
| NGC 1298 | January 4, 1864 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 1305 | January 4, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 2064 | January 11, 1864 | Heinrich Louis d'Arrest | reflection nebula |
| NGC 2597 | January 13, 1864 | Albert Marth | binary star |
| NGC 558 | February 1864 | Heinrich Louis d'Arrest | elliptical galaxy |
| NGC 3991 | February 5, 1864 | Heinrich Louis d'Arrest | emission-line galaxy |
| NGC 2494 | February 6, 1864 | Albert Marth | lenticular galaxy |