NGC172 Galaxy in Cetus
| DATE | 19 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) | NGC168 = 159 NGC172 = 122 NGC177 = 157 |
2MASX J00365958-2230522 = 813 2MASX J00375042-2230282 = 784 2MASX J00381363-2233383 = 804 |
| MAGNITUDE | NGC168 = 14.7 NGC172 = 15.09 NGC177 = 14.10 |
2MASX J00365958-2230522 = 16.52 2MASX J00375042-2230282 = 17.02 2MASX J00381363-2233383 = 17.28 |
| POSITION RA-DEC J2000 | NGC168 = 00:36:38.60 -22:35:37.0 NGC172 = 00:37:13.60 -22:35:13.0 NGC177 = 00:37:34.30 -22:32:57.0 |
2MASX J00365958-2230522 = 00:36:59.60 -22:30:52.0 2MASX J00375042-2230282 = 00:37:50.40 -22:30:28.0 2MASX J00381363-2233383 = 00:38:13.60 -22:33:38.0 |
| POSITION ANGLE: | 240 | |
| Rotation Velocity km/s | NGC168 = na NGC172 = 113 max NGC177 = 187 max |
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| Size (Light Years) | NGC168 = 93,500 (ESO-LV "Quick Blue" IIa-O) NGC172 = 150,000 (ESO-LV "Quick Blue" IIa-O) NGC177 = 155,500 (ESO-LV "Quick Blue" IIa-O) |
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| DETAILS | NGC172 is an edge-on barred spiral, NGC177 is a spiral , NGC168 is a spiral | |
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