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The 18th century
723 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 881 | September 10, 1785 | William Herschel | spiral galaxy |
| NGC 883 | September 10, 1785 | William Herschel | lenticular galaxy |
| NGC 895 | September 10, 1785 | William Herschel | spiral galaxy |
| NGC 991 | September 10, 1785 | William Herschel | low-surface-brightness galaxy |
| NGC 279 | October 1785 | William Herschel | lenticular galaxy |
| NGC 560 | October 1785 | William Herschel | lenticular galaxy |
| NGC 1417 | October 5, 1785 | William Herschel | intermediate spiral galaxy |
| NGC 1418 | October 5, 1785 | William Herschel | spiral galaxy |
| NGC 1665 | October 5, 1785 | William Herschel | lenticular galaxy |
| NGC 1924 | October 5, 1785 | William Herschel | spiral galaxy |
| NGC 2110 | October 5, 1785 | William Herschel | lenticular galaxy |
| NGC 1114 | October 6, 1785 | William Herschel | spiral galaxy |
| NGC 1452 | October 6, 1785 | William Herschel | spiral galaxy |
| NGC 1461 | October 6, 1785 | William Herschel | lenticular galaxy |
| NGC 1550 | October 8, 1785 | William Herschel | brightest cluster galaxy |
| NGC 1762 | October 8, 1785 | William Herschel | spiral galaxy |
| NGC 467 | October 8, 1785 | William Herschel | elliptical galaxy |
| NGC 550 | October 8, 1785 | William Herschel | spiral galaxy |
| NGC 1090 | October 9, 1785 | William Herschel | spiral galaxy |
| NGC 622 | October 9, 1785 | William Herschel | spiral galaxy |
| NGC 1201 | October 26, 1785 | William Herschel | lenticular galaxy |
| NGC 686 | October 26, 1785 | William Herschel | low-surface-brightness galaxy |
| NGC 1094 | November 7, 1785 | William Herschel | astronomical radio source |
| NGC 762 | November 22, 1785 | William Herschel | spiral galaxy |
| NGC 1162 | November 27, 1785 | William Herschel | elliptical galaxy |
| NGC 599 | November 27, 1785 | William Herschel | lenticular galaxy |
| NGC 773 | November 27, 1785 | William Herschel | spiral galaxy |
| NGC 873 | November 27, 1785 | William Herschel | spiral galaxy |
| NGC 1045 | November 28, 1785 | William Herschel | lenticular galaxy |
| NGC 191 | November 28, 1785 | William Herschel | spiral galaxy |
| NGC 217 | November 28, 1785 | William Herschel | spiral galaxy |
| NGC 624 | November 28, 1785 | William Herschel | spiral galaxy |
| NGC 681 | November 28, 1785 | William Herschel | intermediate spiral galaxy |
| NGC 853 | November 28, 1785 | William Herschel | spiral galaxy |
| NGC 945 | November 28, 1785 | William Herschel | spiral galaxy |
| NGC 1036 | November 29, 1785 | William Herschel | galaxy |
| NGC 924 | November 29, 1785 | William Herschel | lenticular galaxy |
| NGC 932 | November 29, 1785 | William Herschel | spiral galaxy |
| NGC 1802 | December 7, 1785 | William Herschel | open cluster |
| NGC 1996 | December 7, 1785 | William Herschel | star cluster |
| NGC 3003 | December 7, 1785 | William Herschel | spiral galaxy |
| NGC 3067 | December 7, 1785 | William Herschel | intermediate spiral galaxy |
| NGC 3099A | December 7, 1785 | William Herschel | low-ionization nuclear emission-line region |
| NGC 3396 | December 7, 1785 | William Herschel | galaxy |
| NGC 3413 | December 7, 1785 | William Herschel | lenticular galaxy |
| NGC 1750 | December 26, 1785 | William Herschel | star cluster |
| NGC 1758 | December 26, 1785 | William Herschel | open cluster |
| NGC 2394 | December 28, 1785 | William Herschel | asterism |
| NGC 4434 | December 28, 1785 | William Herschel | elliptical galaxy |
| NGC 4464 | December 28, 1785 | William Herschel | elliptical galaxy |
| NGC 244 | December 30, 1785 | William Herschel | lenticular galaxy |
| NGC 2489 | December 30, 1785 | William Herschel | open cluster |
| NGC 682 | December 30, 1785 | William Herschel | lenticular galaxy |
| NGC 887 | December 30, 1785 | William Herschel | spiral galaxy |
| NGC 2428 | December 31, 1785 | William Herschel | star cluster |
| NGC 2430 | December 31, 1785 | William Herschel | star cluster |
| NGC 2610 | December 31, 1785 | William Herschel | planetary nebula |
| NGC 2848 | December 31, 1785 | William Herschel | spiral galaxy |
| NGC 1552 | 1786 | William Herschel | lenticular galaxy |
| NGC 1620 | 1786 | William Herschel | intermediate spiral galaxy |