Galaxy NGC 3184
Object Description
The galaxy NGC 3184 was discovered on 18 March 1787 by the German-British astronomer William Herschel with his self-made 18.7 inch f/12.8 reflecting telescope in Slough, England. On 25 January 1851 the engineer Bindon Stoney set up the 72 inch reflecting telescope in Birr Castle, Ireland «Leviathan» of his employer William Parsons, 3rd Earl of Rosse, on this object and recorded two bright nodes in a spiral arm, which were included as NGC 3180 and NGC 3181 by John LE Dreyer in his «New General Catalogue». He also encountered the small galaxy NGC 3179, about 19 arc minutes to the south. [196, 277] Distances for the spiral galaxy NGC 3184 range from 8.6 Mpc to 11.6 Mpc. [145]
| Name | RA | Dec | Type | bMag | vMag | B-V | SB | Dim | PA | z | D(z) | MD | Dreyer Description | Identification, Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NGC 3179 | 10 17 57.2 | +41 06 53 | Gx (S0) | 14.1 | 13.1 | 1.0 | 12.9 | 1.8 × 0.5 | 48 | 0.024210 | 102.2 | S, R, bMN, in line with 2 st | UGC 5555; MCG 7-21-36; CGCG 211-37; NPM1G +41.0230 | |
| NGC 3180 | 10 18 10.7 | +41 26 57 | GxyP | 15.0 | 0.2 | 11.950 | vF, E, connected with h 688 | GC 2049; HII in N 3184 | ||||||
| NGC 3181 | 10 18 11.5 | +41 24 48 | GxyP | 14.8 | 0.3 | 11.950 | vF, E, connected with h 688 | GC 2050; part of N 3184 | ||||||
| NGC 3184 | 10 18 17.0 | +41 25 24 | Gx (SBc) | 10.4 | 9.8 | 0.6 | 13.9 | 7.4 × 6.9 | 135 | 0.001975 | 8.34 | 11.950 | pB, vL, R, vgbM | WH I 168; h 688=689; GC 2052=2053; UGC 5557; MCG 7-21-37; CGCG 211-38; KUG 1015+416 |
Finder Chart
The galaxy NGC 3184 is located in the constellation Ursa Maior. The best viewing time is November to July when it is highest at night.
