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Inventions & discoveries
4,360 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| 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 |
| NGC 1104 | November 6, 1864 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 2405 | November 7, 1864 | Albert Marth | galaxy |
| NGC 2486 | November 7, 1864 | Albert Marth | spiral galaxy |
| NGC 2487 | November 7, 1864 | Albert Marth | spiral galaxy |
| NGC 2341 | November 10, 1864 | Albert Marth | spiral galaxy |
| NGC 2962 | December 10, 1864 | Albert Marth | lenticular galaxy |
| NGC 518 | December 17, 1864 | Albert Marth | spiral galaxy |
| NGC 1026 | December 24, 1864 | Albert Marth | lenticular galaxy |
| NGC 116 | 1865 | Gaspare Stanislao Ferrari | lenticular galaxy |
| NGC 1381 | 1865 | Johann Friedrich Julius Schmidt | lenticular galaxy |
| NGC 1382 | 1865 | Johann Friedrich Julius Schmidt | lenticular galaxy |
| NGC 2278 | 1865 | Heinrich Louis d'Arrest | galaxy |
| NGC 2468 | 1865 | Heinrich Louis d'Arrest | lenticular galaxy |
| NGC 1007 | January 15, 1865 | Albert Marth | lenticular galaxy |
| NGC 1021 | January 15, 1865 | Albert Marth | intermediate spiral galaxy |
| NGC 1396 | January 19, 1865 | Johann Friedrich Julius Schmidt | lenticular galaxy |
| NGC 3039 | January 22, 1865 | Albert Marth | spiral galaxy |
| NGC 3083 | January 22, 1865 | Albert Marth | spiral galaxy |
| NGC 3086 | January 22, 1865 | Albert Marth | spiral galaxy |
| NGC 3101 | January 22, 1865 | Albert Marth | spiral galaxy |
| NGC 2416 | January 26, 1865 | Albert Marth | spiral galaxy |
| NGC 2522 | January 26, 1865 | Albert Marth | lenticular galaxy |
| NGC 2596 | January 26, 1865 | Albert Marth | radio galaxy |
| NGC 358 | February 4, 1865 | Heinrich Louis d'Arrest | open cluster |
| NGC 2503 | February 17, 1865 | Albert Marth | spiral galaxy |
| NGC 2553 | February 17, 1865 | Albert Marth | spiral galaxy |
| NGC 2556 | February 17, 1865 | Albert Marth | lenticular galaxy |
| NGC 2790 | February 17, 1865 | Albert Marth | radio galaxy |
| NGC 2801 | February 17, 1865 | Albert Marth | spiral galaxy |
| NGC 2812 | February 17, 1865 | Albert Marth | lenticular galaxy |
| NGC 2813 | February 17, 1865 | Albert Marth | lenticular galaxy |
| NGC 2879 | February 27, 1865 | Heinrich Louis d'Arrest | galaxy |
| NGC 2884 | February 27, 1865 | Heinrich Louis d'Arrest | lenticular galaxy |