| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 1400 | September 20, 1786 | William Herschel | lenticular galaxy |
| NGC 1370 | September 21, 1786 | William Herschel | elliptical galaxy |
| NGC 551 | September 21, 1786 | William Herschel | spiral galaxy |
| NGC 687 | September 21, 1786 | William Herschel | lenticular galaxy |
| NGC 704 | September 21, 1786 | William Herschel | lenticular galaxy |
| NGC 797 | September 21, 1786 | William Herschel | spiral galaxy |
| NGC 834 | September 21, 1786 | William Herschel | spiral galaxy |
| NGC 990 | September 21, 1786 | William Herschel | elliptical galaxy |
| NGC 1308 | September 30, 1786 | William Herschel | lenticular galaxy |
| NGC 1397 | September 30, 1786 | William Herschel | lenticular galaxy |
| NGC 1441 | September 30, 1786 | William Herschel | spiral galaxy |
| NGC 1453 | September 30, 1786 | William Herschel | elliptical galaxy |
| NGC 676 | September 30, 1786 | William Herschel | lenticular galaxy |
| NGC 706 | September 30, 1786 | William Herschel | spiral galaxy |
| NGC 1122 | October 17, 1786 | William Herschel | intermediate spiral galaxy |
| NGC 1293 | October 17, 1786 | William Herschel | elliptical galaxy |
| NGC 1294 | October 17, 1786 | William Herschel | lenticular galaxy |
| NGC 980 | October 17, 1786 | William Herschel | low-surface-brightness galaxy |
| NGC 1207 | October 18, 1786 | William Herschel | spiral galaxy |
| NGC 477 | October 18, 1786 | William Herschel | spiral galaxy |
| NGC 818 | October 18, 1786 | William Herschel | intermediate spiral galaxy |
| NGC 828 | October 18, 1786 | William Herschel | radio galaxy |
| NGC 1193 | October 24, 1786 | William Herschel | open cluster |
| NGC 1030 | October 25, 1786 | William Herschel | spiral galaxy |
| NGC 2274 | October 26, 1786 | William Herschel | elliptical galaxy |
| NGC 2275 | October 26, 1786 | William Herschel | flocculent spiral galaxy |
| NGC 661 | October 26, 1786 | William Herschel | elliptical galaxy |
| NGC 670 | October 26, 1786 | William Herschel | lenticular galaxy |
| NGC 780 | October 26, 1786 | William Herschel | spiral galaxy |
| NGC 665 | November 22, 1786 | William Herschel | lenticular galaxy |
| NGC 1609 | November 26, 1786 | William Herschel | lenticular galaxy |
| NGC 1611 | November 26, 1786 | William Herschel | lenticular galaxy |
| NGC 2311 | November 26, 1786 | William Herschel | star cluster |
| NGC 1576 | November 28, 1786 | William Herschel | lenticular galaxy |
| NGC 1643 | November 28, 1786 | William Herschel | spiral galaxy |
| NGC 1659 | November 28, 1786 | William Herschel | spiral galaxy |
| NGC 2167 | November 28, 1786 | William Herschel | galaxy |
| NGC 1883 | December 11, 1786 | William Herschel | star cluster |
| IC 2118 | December 20, 1786 | William Herschel | reflection nebula |
| NGC 426 | December 20, 1786 | William Herschel | elliptical galaxy |
| NGC 493 | December 20, 1786 | William Herschel | intermediate spiral galaxy |
| NGC 2224 | December 24, 1786 | William Herschel | open cluster |
| NGC 2270 | December 26, 1786 | William Herschel | star cluster |
| NGC 2262 | December 27, 1786 | William Herschel | star cluster |
| NGC 2301 | December 27, 1786 | William Herschel | open cluster |
| NGC 2324 | December 27, 1786 | William Herschel | open cluster |
| NGC 3910 | December 27, 1786 | William Herschel | lenticular galaxy |
| NGC 2990 | December 29, 1786 | William Herschel | intermediate spiral galaxy |
| NGC 4348 | December 29, 1786 | William Herschel | spiral galaxy |
| NGC 4546 | December 29, 1786 | William Herschel | lenticular galaxy |
| NGC 2259 | 1787 | William Herschel | open cluster |
| NGC 3053 | January 14, 1787 | William Herschel | radio galaxy |
| NGC 3060 | January 14, 1787 | William Herschel | spiral galaxy |
| NGC 4312 | January 14, 1787 | William Herschel | spiral galaxy |
| NGC 4468 | January 14, 1787 | William Herschel | lenticular galaxy |
| NGC 4506 | January 14, 1787 | William Herschel | spiral galaxy |
| NGC 4595 | January 14, 1787 | William Herschel | spiral galaxy |
| NGC 1778 | January 17, 1787 | William Herschel | open cluster |
| NGC 2512 | February 10, 1787 | William Herschel | spiral galaxy |
| NGC 2558 | February 13, 1787 | William Herschel | intermediate spiral galaxy |