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Harding found 2 NGC-objects; one was new: the famous Helix Nebula NGC 7293 in Aquarius (see also Winnecke's report in AN 45, 247 (1857)). The open cluster NGC 6819 in Cygnus was first seen by Caroline Herschel. Harding's objects were propably found 1824 at Göttingen Observatory with a Herschel reflector (aperture 21,7 cm, focal length 3 m). It is interesting that the bright, extended PN was not seen by Herschel. His field of view (15') was too large! This object is also included as #48 in Arthur Auwers' list of new nebulae in William Herschel's Verzeichnisse von Nebelflecken und Sternhaufen, Königsberg 1862. Auwers mentioned an observation by Capocci in 1824, but this has a wrong A.R. and he maybe rediscovered W. Herschel's II 1 = NGC 7184 (a bright galaxy in Aquarius). Ernesto Capocci (1798-1864) was the director of Capodimonte Observatory, Naples, which than had a 12.6" Fraunhofer refractor.
| D | N | NI | Y | M | D | Ap | I | T | Discoverer | Observer | Name | Con | Type | S | Author | Title | Source | List |
| N | 6819 | 1824 | 8,5 | Rl | v | Herschel C. 14.5.1784 | Herschel J. 31.7.1831 | CYG | I1r | 4 | Harding, K. L. | Berliner Jahrbuch of 1827, p. 135 | ||||||
| 1 | N | 7293 | 1823 | 9? | 8,5 | Rl | v | Helix Nebula | AQR | PN | 3 | Harding, K. L. | Neue Nebelflecke | Berliner Jahrbuch für 1827, 131-134 (1824) | 4 |
Obituary: MNRAS 3, 86 (1835)
