| NGC 2159 | November 6, 1826 | James Dunlop | globular cluster |
| NGC 3561B | 1827 | John Frederick William Herschel | galaxy |
| NGC 2291 | January 22, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3098 | February 19, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3209 | February 19, 1827 | John Frederick William Herschel | elliptical galaxy |
| NGC 3997 | February 19, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 2809 | February 24, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 2885 | February 24, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3851 | February 24, 1827 | John Frederick William Herschel | elliptical galaxy |
| NGC 3861 | March 23, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 4048 | March 23, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3457 | March 25, 1827 | John Frederick William Herschel | elliptical galaxy |
| NGC 3841 | March 25, 1827 | John Frederick William Herschel | elliptical galaxy |
| NGC 3561 | March 30, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3964 | March 30, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3880 | April 29, 1827 | John Frederick William Herschel | elliptical galaxy |
| NGC 3881 | April 29, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 3935 | April 29, 1827 | John Frederick William Herschel | radio galaxy |
| NGC 4113 | April 29, 1827 | John Frederick William Herschel | radio galaxy |
| NGC 204 | October 16, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 483 | November 11, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 226 | November 22, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 468 | November 22, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 494 | November 22, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 504 | November 22, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 566 | November 22, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 608 | November 22, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 917 | November 22, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 969 | November 22, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 978 | November 22, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 1719 | November 23, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 1625 | November 24, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 2837 | December 16, 1827 | John Frederick William Herschel | galaxy |
| NGC 3204 | December 24, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 3493 | December 24, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 3536 | December 24, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 3624 | December 27, 1827 | John Frederick William Herschel | spiral galaxy |
| NGC 4259 | December 27, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 4518 | December 27, 1827 | John Frederick William Herschel | lenticular galaxy |
| NGC 4543 | December 27, 1827 | John Frederick William Herschel | elliptical galaxy |
| NGC 2433 | 1828 | John Frederick William Herschel | multiple star |
| NGC 845 | 1828 | William Herschel | spiral galaxy |
| Promethean match | 1828 | Samuel Jones | — |
| NGC 1707 | January 8, 1828 | John Frederick William Herschel | group of stars |
| NGC 485 | January 8, 1828 | John Frederick William Herschel | spiral galaxy |
| NGC 3466 | January 18, 1828 | John Frederick William Herschel | spiral galaxy |
| NGC 3467 | January 18, 1828 | John Frederick William Herschel | lenticular galaxy |
| NGC 3817 | January 18, 1828 | John Frederick William Herschel | lenticular galaxy |
| NGC 3819 | January 18, 1828 | John Frederick William Herschel | elliptical galaxy |
| NGC 4318 | January 18, 1828 | John Frederick William Herschel | elliptical galaxy |
| NGC 2039 | January 19, 1828 | John Frederick William Herschel | galaxy |
| NGC 2338 | January 19, 1828 | John Frederick William Herschel | star cluster |
| NGC 3130 | January 19, 1828 | John Frederick William Herschel | lenticular galaxy |
| NGC 2379 | March 6, 1828 | John Frederick William Herschel | lenticular galaxy |
| NGC 2942 | March 6, 1828 | John Frederick William Herschel | spiral galaxy |
| NGC 2368 | March 9, 1828 | John Frederick William Herschel | star cluster |
| NGC 4509 | March 11, 1828 | John Frederick William Herschel | spiral galaxy |
| NGC 4428-1 | March 16, 1828 | John Frederick William Herschel | emission-line galaxy |
| NGC 3009 | March 17, 1828 | John Frederick William Herschel | spiral galaxy |
| NGC 2666 | March 19, 1828 | John Frederick William Herschel | galaxy |