NGC173 Galaxy in Cetus

DATE 23 Aug 2014
TELESCOPE OPTICS 508 mm mirror f.4 ccd Kodak KAF8300 3326 x 2504px 5.4 x 5.4µm
EXPOSURE binning 1: composite image, 16 min
IMAGE SIZE (ARCMIN) 29
LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) NGC173 = 178
NGC170 = 174
MAGNITUDE NGC173 = 13.7B
NGC170 = 15.43
POSITION RA-DEC J2000 NGC173 = 00:37:12.50 +01:56:32.0
NGC170 = 00:36:45.80 +01:53:11.0
POSITION ANGLE: 219
Rotation Velocity km/s NGC173 = ~125
NGC170 = na
Size (Light Years) NGC173 = 271,330 (POSS1 103a-O)
NGC170 = 23,700 (RC3 D_25; R_25 (blue))
DETAILS NGC173, a spiral galaxy and NGC170, also a spiral seems to be a much smaller companion

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