Mitchell found 95 NGC-objects and 3 IC-objects; 88 NGC- and all IC-objects were new. The known ones are all due to W. Herschel. Mitchell was an assitant of Lord Rosse using his 72" reflector at Birr Castle. All objects but one (NGC 7387) can be found 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). N 7387 is included in: Parsons L., Observations of Nebulae and Clusters of Stars 1848-1878, Scient. Trans. Roy. Dublin Soc. Vol. II, 1-178 (1880)
D | N | NI | Y | M | D | Ap | I | T | Discoverer | Observer | Con | Type | S | ID |
1 | N | 20 | 1857 | 9 | 18 | 72,0 | Rl | v | Schultz 16.10.1866 | AND | E-S0 | 1 | NGC 6 (Swift L. 20.9.1885) | |
1 | N | 67 | 1855 | 10 | 7 | 72,0 | Rl | v | AND | E3 | 1 | |||
1 | N | 69 | 1855 | 10 | 7 | 72,0 | Rl | v | AND | E/SB0 | 1 | |||
1 | N | 70 | 1855 | 10 | 7 | 72,0 | Rl | v | AND | Sbc | 1 | IC 1539 (Bigourdan 19.12.1897) | ||
1 | N | 71 | 1855 | 10 | 7 | 72,0 | Rl | v | d'Arrest 23.9.1865 | AND | E-S0/P | 1 | ||
1 | N | 72 | 1855 | 10 | 7 | 72,0 | Rl | v | AND | SBab | 1 | |||
1 | N | 74 | 1855 | 10 | 7 | 72,0 | Rl | v | AND | Sb | 1 | |||
1 | N | 90 | 1854 | 10 | 26 | 72,0 | Rl | v | Schultz 17.10.1866 | AND | SBc | 1 | ||
1 | N | 91 | 1854 | 10 | 26 | 72,0 | Rl | v | d'Arrest 5.10.1864 | AND | * | 9 | ||
1 | N | 93 | 1854 | 10 | 26 | 72,0 | Rl | v | d'Arrest 5.10.1864 | AND | Sb | 1 | ||
1 | N | 169 | 1857 | 9 | 18 | 72,0 | Rl | v | d'Arrest 22.8.1862 | AND | Sb | 1 | ||
1 | N | 207 | 1857 | 12 | 7 | 72,0 | Rl | v | Stone 3.11.1885 | CET | Sa | 1 | ||
1 | N | 394 | 1854 | 10 | 26 | 72,0 | Rl | v | d'Arrest 22.8.1862 | PSC | S0 | 1 | ||
1 | N | 444 | 1854 | 10 | 26 | 72,0 | Rl | v | PSC | Scd | 1 | IC 1658 (Javelle 17.10.1903) | ||
1 | N | 498 | 1856 | 10 | 23 | 72,0 | Rl | v | PSC | S0 | 1 | |||
1 | N | 501 | 1856 | 10 | 28 | 72,0 | Rl | v | PSC | E0 | 1 | |||
1 | N | 531 | 1855 | 10 | 16 | 72,0 | Rl | v | AND | SB0-a | 1 | |||
1 | N | 542 | 1855 | 10 | 16 | 72,0 | Rl | v | AND | Sb | 1 | |||
N | 586 | 1856 | 11 | 29 | 72,0 | Rl | v | Herschel W. 10.9.1785 | CET | Sa | 1 | |||
1 | N | 770 | 1855 | 11 | 3 | 72,0 | Rl | v | d'Arrest 24.11.1861 | ARI | E1 | 1 | ||
1 | N | 870 | 1854 | 11 | 22 | 72,0 | Rl | v | ARI | C | 1 | |||
1 | N | 876 | 1854 | 11 | 22 | 72,0 | Rl | v | ARI | Sc | 1 | |||
1 | N | 894 | 1856 | 11 | 28 | 72,0 | Rl | v | CET | GxyP | 6 | |||
N | 1160 | 1856 | 10 | 2 | 72,0 | Rl | v | Herschel W. 7.10.1784 | PER | Scd | 1 | |||
1 | N | 1410 | 1855 | 1 | 17 | 72,0 | Rl | v | TAU | E1 | 1 | |||
N | 1684 | 1856 | 12 | 26 | 72,0 | Rl | v | Herschel W. 1.2.1786 | ORI | E2 | 1 | |||
1 | N | 1709 | 1854 | 12 | 8 | 72,0 | Rl | v | ORI | S0 | 1 | |||
1 | N | 2247 | 1857 | 2 | 14 | 72,0 | Rl | v | Swift L. 24.11.1883 | MON | RN | 2 | ||
1 | N | 2475 | 1856 | 1 | 9 | 72,0 | Rl | v | LYN | E0 | 1 | |||
1 | N | 2480 | 1856 | 2 | 1 | 72,0 | Rl | v | GEM | SBcd | 1 | |||
1 | N | 2490 | 1857 | 2 | 14 | 72,0 | Rl | v | GEM | C | 1 | |||
1 | N | 2495 | 1855 | 2 | 14 | 72,0 | Rl | v | LYN | Sd | 1 | |||
1 | N | 2605 | 1858 | 3 | 11 | 72,0 | Rl | v | UMA | S0? | 1 | |||
1 | N | 2686 | 1858 | 3 | 11 | 72,0 | Rl | v | UMA | C | 1 | |||
1 | N | 2687 | 1858 | 3 | 11 | 72,0 | Rl | v | UMA | S | 1 | |||
1 | N | 2688 | 1858 | 3 | 11 | 72,0 | Rl | v | UMA | S0 | 1 | |||
1 | N | 2689 | 1858 | 3 | 11 | 72,0 | Rl | v | UMA | S0 | 1 | |||
1 | N | 2739 | 1855 | 2 | 18 | 72,0 | Rl | v | UMA | Sab | 1 | |||
1 | N | 2847 | 1855 | 3 | 5 | 72,0 | Rl | v | HYA | GxyP | 6 | |||
1 | N | 2857 | 1856 | 1 | 9 | 72,0 | Rl | v | UMA | Sc | 1 | |||
1 | N | 2873 | 1857 | 2 | 22 | 72,0 | Rl | v | LEO | Sb | 1 | |||
1 | N | 2988 | 1855 | 2 | 19 | 72,0 | Rl | v | LEO | Sbc | 1 | |||
1 | N | 3016 | 1854 | 3 | 21 | 72,0 | Rl | v | d'Arrest 31.12.1864 | LEO | Sb | 1 | ||
1 | N | 3019 | 1854 | 3 | 21 | 72,0 | Rl | v | LEO | Sbc | 1 | |||
1 | N | 3152 | 1854 | 3 | 27 | 72,0 | Rl | v | LMI | SB0 | 1 | |||
1 | N | 3160 | 1854 | 3 | 27 | 72,0 | Rl | v | LMI | S | 1 | |||
1 | N | 3165 | 1856 | 1 | 30 | 72,0 | Rl | v | Stephan 18.3.1884 | SEX | Sdm | 1 | ||
1 | N | 3416 | 1854 | 3 | 30 | 72,0 | Rl | v | UMA | S? | 1 | |||
1 | N | 3460 | 1854 | 3 | 27 | 72,0 | Rl | v | Swift L. 24.8.1883 | LEO | S? | 7 | NGC 3457 (Baily 25.3.1827) | |
1 | N | 3461 | 1854 | 3 | 27 | 72,0 | Rl | v | LEO | S | 1 | |||
N | 3618 | 1857 | 3 | 23 | 72,0 | Rl | v | Herschel W. 10.4.1785 | LEO | SBb | 1 | |||
1 | N | 3639 | 1855 | 1 | 21 | 72,0 | Rl | v | LEO | S? | 1 | |||
1 | N | 3803 | 1856 | 3 | 27 | 72,0 | Rl | v | LEO | E0 | 1 | |||
1 | N | 3807 | 1856 | 3 | 27 | 72,0 | Rl | v | LEO | * | 9 | |||
1 | N | 3973 | 1855 | 3 | 15 | 72,0 | Rl | v | LEO | S | 1 | |||
N | 3987 | 1854 | 4 | 25 | 72,0 | Rl | v | Herschel W. 6.4.1785 | LEO | Sb | 1 | |||
1 | N | 3989 | 1854 | 4 | 27 | 72,0 | Rl | v | LEO | Sb | 1 | |||
N | 3993 | 1854 | 4 | 25 | 72,0 | Rl | v | Herschel W. 6.4.1785 | LEO | Sb | 1 | |||
1 | N | 4016 | 1854 | 3 | 30 | 72,0 | Rl | v | COM | SBd | 1 | |||
1 | N | 4118 | 1857 | 4 | 20 | 72,0 | Rl | v | CVN | S0-a | 1 | |||
1 | N | 4607 | 1854 | 4 | 24 | 72,0 | Rl | v | VIR | SBb | 1 | |||
1 | N | 4637 | 1854 | 3 | 1 | 72,0 | Rl | v | VIR | S0 | 1 | |||
1 | N | 4809 | 1855 | 4 | 18 | 72,0 | Rl | v | VIR | Im/P | 1 | |||
1 | N | 4810 | 1855 | 4 | 18 | 72,0 | Rl | v | VIR | Im/P | 1 | |||
1 | N | 5088 | 1855 | 4 | 18 | 72,0 | Rl | v | d'Arrest 26.4.1867 Safford 20.5.1868 |
VIR | Sbc | 1 | ||
1 | N | 5143 | 1855 | 4 | 17 | 72,0 | Rl | v | CVN | SBd | 1 | |||
1 | N | 5276 | 1856 | 3 | 27 | 72,0 | Rl | v | CVN | SBb | 1 | |||
1 | N | 5319 | 1856 | 3 | 27 | 72,0 | Rl | v | CVN | S | 1 | |||
1 | N | 5341 | 1857 | 3 | 24 | 72,0 | Rl | v | CVN | SBd | 1 | |||
1 | N | 5349 | 1857 | 3 | 24 | 72,0 | Rl | v | CVN | SBb | 1 | |||
1 | N | 5472 | 1855 | 4 | 19 | 72,0 | Rl | v | Tempel April? 1882 | VIR | Sab | 1 | ||
N | 5507 | 1856 | 3 | 29 | 72,0 | Rl | v | Herschel W. 15.4.1787 | VIR | SB0 | 1 | |||
1 | N | 5524 | 1855 | 4 | 19 | 72,0 | Rl | v | BOO | *2 | 9 | |||
1 | N | 5527 | 1855 | 4 | 19 | 72,0 | Rl | v | BOO | Sbc | 1 | |||
1 | N | 5721 | 1855 | 4 | 16 | 72,0 | Rl | v | BOO | S0 | 1 | |||
1 | N | 5723 | 1855 | 4 | 16 | 72,0 | Rl | v | BOO | E-S0 | 1 | |||
1 | N | 5724 | 1855 | 4 | 16 | 72,0 | Rl | v | BOO | * | 9 | |||
1 | N | 5805 | 1854 | 4 | 3 | 72,0 | Rl | v | BOO | C | 1 | |||
1 | N | 5895 | 1854 | 5 | 23 | 72,0 | Rl | v | BOO | Sc | 1 | |||
1 | N | 5896 | 1854 | 5 | 23 | 72,0 | Rl | v | BOO | S0 | 1 | |||
1 | N | 5901 | 1854 | 5 | 23 | 72,0 | Rl | v | BOO | * | 9 | |||
1 | N | 6179 | 1855 | 4 | 19 | 72,0 | Rl | v | HER | C | 1 | |||
1 | N | 6961 | 1857 | 8 | 27 | 72,0 | Rl | v | AQR | E2 | 1 | |||
1 | N | 6965 | 1857 | 8 | 27 | 72,0 | Rl | v | AQR | S0 | 1 | IC 5058 (Bigourdan 2.10.1891) | ||
1 | N | 6967 | 1857 | 8 | 27 | 72,0 | Rl | v | AQR | S0-a | 1 | |||
1 | N | 7387 | 1856 | 9 | 9 | 72,0 | Rl | v | d'Arrest 19.9.1862 | PEG | S0 | 1 | ||
1 | N | 7397 | 1856 | 10 | 2 | 72,0 | Rl | v | PSC | SB0-a | 1 | |||
1 | N | 7398 | 1856 | 10 | 2 | 72,0 | Rl | v | PSC | Sa | 1 | |||
1 | N | 7401 | 1856 | 10 | 2 | 72,0 | Rl | v | PSC | Sa | 1 | |||
1 | N | 7402 | 1856 | 10 | 2 | 72,0 | Rl | v | PSC | S0 | 1 | |||
1 | N | 7433 | 1855 | 10 | 12 | 72,0 | Rl | v | d'Arrest 15.9.1865 | PEG | S? | 1 | ||
1 | N | 7435 | 1855 | 10 | 12 | 72,0 | Rl | v | Javelle 27.11.1899 | PEG | SBa | 1 | ||
1 | N | 7672 | 1857 | 10 | 23 | 72,0 | Rl | v | Swift L. 31.10.1885 | PEG | Sb | 1 | ||
1 | N | 7752 | 1854 | 11 | 22 | 72,0 | Rl | v | d'Arrest 24.9.1865 | PEG | E-S0 | 1 | ||
1 | N | 7765 | 1855 | 10 | 12 | 72,0 | Rl | v | PEG | SB? | 1 | |||
1 | I | 1066 | 1855 | 5 | 16 | 72,0 | Rl | v | Javelle 28.5.1891 | VIR | Sc | 1 | ||
1 | I | 1067 | 1855 | 5 | 16 | 72,0 | Rl | v | Javelle 28.5.1891 | VIR | SBb | 1 | ||
1 | I | 1559 | 1857 | 9 | 18 | 72,0 | Rl | v | Bigourdan 7.10.1885 Javelle 22.11.1897 |
AND | S0-a | 1 |