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- 19th century
The 19th century
1,725 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 4266 | May 26, 1864 | Albert Marth | spiral galaxy |
| NGC 4282 | May 26, 1864 | Albert Marth | lenticular galaxy |
| NGC 4287 | May 26, 1864 | Albert Marth | spiral galaxy |
| NGC 236 | August 3, 1864 | Albert Marth | intermediate spiral galaxy |
| NGC 141 | August 29, 1864 | Albert Marth | spiral galaxy |
| NGC 1107 | September 2, 1864 | Albert Marth | lenticular galaxy |
| NGC 359 | September 2, 1864 | Albert Marth | elliptical galaxy |
| NGC 364 | September 2, 1864 | Albert Marth | lenticular galaxy |
| NGC 900 | September 5, 1864 | Albert Marth | lenticular galaxy |
| NGC 901 | September 5, 1864 | Albert Marth | lenticular galaxy |
| NGC 916 | September 5, 1864 | Albert Marth | lenticular galaxy |
| NGC 919 | September 5, 1864 | Albert Marth | spiral galaxy |
| NGC 928 | September 5, 1864 | Albert Marth | spiral galaxy |
| NGC 1219 | September 9, 1864 | Albert Marth | spiral galaxy |
| NGC 1254 | September 9, 1864 | Albert Marth | lenticular galaxy |
| NGC 1462 | September 13, 1864 | Albert Marth | spiral galaxy |
| NGC 1539-1 | September 18, 1864 | Albert Marth | galaxy |
| NGC 805 | September 26, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 291 | September 27, 1864 | Albert Marth | spiral galaxy |
| NGC 297 | September 27, 1864 | Albert Marth | elliptical galaxy |
| NGC 298 | September 27, 1864 | Albert Marth | flocculent spiral galaxy |
| NGC 325 | September 27, 1864 | Albert Marth | elliptical galaxy |
| NGC 327 | September 27, 1864 | Albert Marth | spiral galaxy |
| NGC 329 | September 27, 1864 | Albert Marth | astronomical radio source |
| NGC 342 | September 27, 1864 | Albert Marth | lenticular galaxy |
| NGC 345 | September 27, 1864 | Albert Marth | spiral galaxy |
| NGC 347 | September 27, 1864 | Albert Marth | spiral galaxy |
| 81 Terpsichore | September 30, 1864 | Wilhelm Tempel | asteroid |
| NGC 1028 | October 1864 | Albert Marth | spiral galaxy |
| NGC 1166 | October 1864 | Albert Marth | spiral galaxy |
| NGC 1168 | October 1864 | Albert Marth | intermediate spiral galaxy |
| NGC 509 | October 1864 | Albert Marth | lenticular galaxy |
| NGC 569 | October 1864 | Albert Marth | spiral galaxy |
| NGC 571 | October 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 1975 | October 3, 1864 | Heinrich Louis d'Arrest | galaxy |
| NGC 1236 | October 5, 1864 | Albert Marth | elliptical galaxy |
| NGC 1474 | October 5, 1864 | Albert Marth | spiral galaxy |
| NGC 1054 | October 8, 1864 | Heinrich Louis d'Arrest | spiral galaxy |
| NGC 1355 | October 8, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 765 | October 8, 1864 | Albert Marth | spiral galaxy |
| NGC 1449 | October 9, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 1451 | October 9, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 1384 | October 20, 1864 | Albert Marth | spiral galaxy |
| NGC 435 | October 23, 1864 | Albert Marth | intermediate spiral galaxy |
| NGC 479 | October 27, 1864 | Albert Marth | spiral galaxy |
| NGC 631 | October 27, 1864 | Albert Marth | elliptical galaxy |
| NGC 645 | October 27, 1864 | Albert Marth | spiral galaxy |
| NGC 2624 | October 30, 1864 | Albert Marth | spiral galaxy |
| NGC 2625 | October 30, 1864 | Albert Marth | spiral galaxy |
| NGC 2637 | October 30, 1864 | Albert Marth | spiral galaxy |
| NGC 2643 | October 30, 1864 | Albert Marth | unknown astronomical object |
| NGC 2647 | October 30, 1864 | Albert Marth | elliptical galaxy |
| NGC 541 | October 30, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 1645 | October 31, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 535 | October 31, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 543 | October 31, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 469 | November 3, 1864 | Albert Marth | low-surface-brightness galaxy |
| NGC 471 | November 3, 1864 | Albert Marth | lenticular galaxy |
| NGC 475 | November 3, 1864 | Albert Marth | brightest cluster galaxy |
| NGC 476 | November 3, 1864 | Albert Marth | lenticular galaxy |