NGC142, NGC143, NGC144 Galaxies in Cetus
| DATE | 8 Sept 2016 |
| TELESCOPE OPTICS | 508 mm mirror f.4 . ccd Kodak KAF8300 3326 x 2504px 5.4 x 5.4µm |
| EXPOSURE | binning 2: composite image, 5 min |
| IMAGE SIZE (ARCMIN) | 30 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC142 = 338 NGC143 = 340 NGC144 = 345 ESO 473- G 024 = 11 |
| MAGNITUDE | NGC142 = 14.27 NGC143 = 15.21 NGC144 = 13.9 ESO 473- G 024 = 16.1B |
| POSITION RA-DEC J2000 | NGC142 = 00:31:08.10 -22:37:07.0 NGC143 = 00:31:15.60 -22:33:36.0 NGC144 = 00:31:20.70 -22:38:45.0 ESO 473- G 024 = 00:31:22.50 -22:45:57.0 |
| POSITION ANGLE: | 240 |
| Rotation Velocity km/s | NGC142 = 120 max NGC143 = 220 max NGC144 = na |
| Size (Light Years) | NGC142 = 136,999 (ESO-LV "Quick Blue" IIa-O) NGC143 = 203,000 (ESO-LV "Quick Blue" IIa-O) NGC144 = 112,500 (ESO-LV "Quick Blue" IIa-O) |
| DETAILS | NGC142 = barred spiral NGC143 = barred spiral edge-on NGC144 = spiral |
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