| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 1043 | October 2, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1671 | October 2, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 856 | October 3, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1128 | October 8, 1886 | Lewis A. Swift | interacting galaxy |
| NGC 872 | October 15, 1886 | Francis Preserved Leavenworth | spiral galaxy |
| NGC 1080 | October 21, 1886 | Lewis A. Swift | barred spiral galaxy |
| NGC 1214 | October 21, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 1215 | October 21, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1509 | October 22, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1594 | October 22, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 190 | October 22, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 240 | October 22, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 332 | October 22, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 638 | October 22, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 2470 | October 24, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 398 | October 28, 1886 | Guillaume Bigourdan | lenticular galaxy |
| NGC 1108 | October 31, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 1126 | October 31, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1423 | October 31, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1118 | November 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 1464 | November 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1666 | November 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 806 | November 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1450-1 | November 3, 1886 | Lewis A. Swift | galaxy |
| NGC 1034 | November 12, 1886 | Francis Preserved Leavenworth | emission-line galaxy |
| NGC 1414 | November 19, 1886 | Francis Preserved Leavenworth | spiral galaxy |
| NGC 1422 | November 19, 1886 | Francis Preserved Leavenworth | spiral galaxy |
| NGC 481 | November 20, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 530 | November 20, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 557 | November 20, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 2242 | November 24, 1886 | Lewis A. Swift | planetary nebula |
| NGC 2344 | November 24, 1886 | Lewis A. Swift | radio galaxy |
| NGC 2676 | November 24, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 1604 | December 22, 1886 | Lewis A. Swift | lenticular galaxy |
| NGC 1627 | December 22, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1628 | December 22, 1886 | Lewis A. Swift | spiral galaxy |
| NGC 1204 | December 26, 1886 | Francis Preserved Leavenworth | lenticular galaxy |
| NGC 1314 | January 18, 1887 | Francis Preserved Leavenworth | spiral galaxy |
| NGC 3634 | January 24, 1887 | Francis Preserved Leavenworth | elliptical galaxy |
| NGC 2529 | January 29, 1887 | Guillaume Bigourdan | unknown astronomical object |
| NGC 1392 | February 13, 1887 | Lewis A. Swift | intermediate spiral galaxy |
| NGC 1797 | February 13, 1887 | Lewis A. Swift | astronomical radio source |
| NGC 1799 | February 13, 1887 | Lewis A. Swift | lenticular galaxy |
| NGC 2296 | March 11, 1887 | Lewis A. Swift | reflection nebula |
| NGC 2561 | March 23, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 3426 | March 23, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 3633 | March 23, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 2760 | March 26, 1887 | Lewis A. Swift | unknown astronomical object |
| NGC 2817 | March 26, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 4040 | March 30, 1887 | Lewis A. Swift | elliptical galaxy |
| NGC 3292-1 | April 16, 1887 | Lewis A. Swift | galaxy |
| NGC 4446 | April 17, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 4447 | April 17, 1887 | Lewis A. Swift | lenticular galaxy |
| NGC 4640 | April 17, 1887 | Lewis A. Swift | lenticular galaxy |
| NGC 4641 | April 17, 1887 | Lewis A. Swift | lenticular galaxy |
| NGC 3443 | April 24, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 3474 | April 24, 1887 | Lewis A. Swift | spiral galaxy |
| NGC 4544 | April 27, 1887 | Edward D. Swift | spiral galaxy |
| NGC 2226 | 1890 | Edward Emerson Barnard | galaxy |
| C/1892 E1 (Swift) | March 6, 1892 | Lewis A. Swift | non-periodic comet |