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
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)
DETAILS NGC172 is an edge-on barred spiral, NGC177 is a spiral , NGC168 is a spiral

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