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Obituary: MNRAS 75, 230 (1915)
Ball discovered 11 NGC-objects using Lord Rosse's 72" reflector at Birr Castle. All objects are listed in: Parsons W., On the Construction of Specula of Six-feet Aperture; and a selection from the Observations of nebulae made with them, Phil. Trans. 151, 681-745 (1861) They are also described (by their G.C. number as continued by Dreyer) in: Lawrence Parsons, Observations of Nebulae and Clusters of Stars Made With the Six-foot and Three-foot Reflectors at Birr Castle From the Year 1848 up to the Year 1878, Scientific Transactions of the Royal Dublin Society Vol. II, 1878. Only 4 objects are non-stellar (galaxies).
| D | N | NI | Y | M | D | Ap | I | T | Con | Type | S | ID |
| 1 | N | 308 | 1866 | 12 | 31 | 72 | Rl | v | CET | * | 9 | |
| 1 | N | 310 | 1866 | 12 | 31 | 72 | Rl | v | CET | * | 9 | |
| 1 | N | 397 | 1866 | 12 | 6 | 72 | Rl | v | PSC | E? | 1 | |
| 1 | N | 400 | 1866 | 12 | 30 | 72 | Rl | v | PSC | * | 9 | |
| 1 | N | 401 | 1866 | 12 | 30 | 72 | Rl | v | PSC | * | 9 | |
| 1 | N | 1742 | 1866 | 12 | 29 | 72 | Rl | v | ORI | * | 9 | |
| 1 | N | 2390 | 1866 | 12 | 10 | 72 | Rl | v | GEM | * | 9 | |
| 1 | N | 2391 | 1866 | 12 | 10 | 72 | Rl | v | GEM | * | 9 | |
| 1 | N | 3695 | 1867 | 3 | 31 | 72 | Rl | v | UMA | SBbc | 1 | NGC 3698 (Dreyer 18.3.1876) |
| 1 | N | 3700 | 1867 | 3 | 31 | 72 | Rl | v | UMA | SBab | 1 | |
| 1 | N | 5601 | 1867 | 3 | 27 | 72 | Rl | v | BOO | S? | 1 |
