Galaxies NGC 584/6, NGC 596, NGC 600 & NGC 615
History
The galaxy NGC 596 was discovered by William Herschel on 13 December 1783 and cataloged as faint nebula II 4 with the notes: «Pretty bright, pretty small, round, much brighter in the middle, resembling a telescopic comet.» On 10 January 1785 he discovered NGC 615 and cataloged it as faint nebula II 282 with the notes: «Pretty bright, considerably large, little extended, much brighter in the middle.» [463]
NGC 584, NGC 586 and NGC 600 were found on 10 September 1785. NGC 584 was listed as «bright nebula» I 100 with the notes: «Considerably bright, pretty small, round, much brighter in the middle. See III 431.» For NGC 586 (WH III 431) he noted: «The second of two. Exteremely faint, small, 5 or 6' distance from I 100.» NGC 600 he listed as WH III 432 and just noted: «extremely faint.» [464]
Physical Properties
| Name | RA | Dec | Type | bMag | vMag | B-V | SB | Dim | PA | z | D(z) | MD | Dreyer Description | Identification, Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NGC 584 | 01 31 20.5 | -06 52 02 | Gx (E4) | 11.4 | 10.5 | 0.9 | 12.9 | 4.1 × 2 | 72 | 0.006011 | 25.39 | 19.510 | vB, pL, R, mbM, p of 2 | WH I 100; h 128; GC 342; IC 1712; MCG -1-4-60 |
| NGC 586 | 01 31 36.8 | -06 53 35 | Gx (Sa) | 14.1 | 13.2 | 0.9 | 13.2 | 1.7 × 0.9 | 0 | 0.006254 | 26.42 | vF, vS, R | WH III 431; h 130; GC 343=344=346; MCG -1-5-1 | |
| NGC 596 | 01 32 52.0 | -07 01 55 | Gx (E4) | 11.8 | 10.9 | 0.9 | 13.0 | 3.2 × 2 | 40 | 0.006258 | 26.43 | 20.620 | pB, R, bM, r, * 6 f 12' | WH II 4; h 132; GC 351; MCG -1-5-5 |
| NGC 600 | 01 33 05.4 | -07 18 44 | Gx (SBd) | 12.9 | 12.4 | 0.5 | 14.7 | 2.8 × 2.1 | 18 | 0.006144 | 25.95 | 22.900 | eeF | WH III 432; GC 354; MCG -1-5-7; IRAS 01305-0733 |
| NGC 615 | 01 35 05.7 | -07 20 25 | Gx (Sb) | 12.5 | 11.6 | 0.9 | 13.2 | 2.7 × 0.9 | 155 | 0.006164 | 26.04 | 27.030 | pB, pL, ilE, gbM, r, * 8 np 10' | WH II 282; h 137; GC 363; MCG -1-5-8; IRAS 01325-0735 |
Finder Chart
The galaxies NGC 596, NGC 600 and NGC 615 are located in the constellation Cetus. They are on 19 October in opposition to the Sun.
