NGC3742 & NGC3749 Galaxies in Centaurus
| DATE | 27 Jan 2017 |
| TELESCOPE OPTICS | 508 mm mirror f.4 . effective f4.6 with paracorr2. ccd Kodak KAF8300 3326 x 2504px 5.4 x 5.4µm |
| EXPOSURE | binning 2: composite image, 9 min |
| IMAGE SIZE (ARCMIN) | 30 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC3742 = 135 NGC3749 = 134 2MASX J11351493-3755309 = 137 2MASX J11352686-3800549 = na |
| MAGNITUDE | NGC3742 = 13.03 NGC3749 = 13.21 2MASX J11351493-3755309 = 15.6R 2MASX J11352686-3800549 = na |
| POSITION RA-DEC J2000 | NGC3742 = 11:35:32.50 -37:57:23.0 NGC3749 = 11:35:53.20 -37:59:50.0 2MASX J11351493-3755309 = 11:35:14.90 -37:55:31.0 2MASX J11352686-3800549 = 11:35:26.80 -38:00:55.0 |
| POSITION ANGLE: | 248 |
| Rotation Velocity km/s | NGC3742 = na NGC3749 = na |
| Size (KiloParsecs... kpc) | NGC3742 = 42.87 (ESO-LV "Quick Blue" IIa-O) NGC3749 = 78.26 (ESO-LV "Quick Blue" IIa-O) |
| DETAILS | NGC3742 is a ringed barred spiral and NGC3749 is an edge-on spiral. Supernova SN 2011bb was discovered in 2MASX J11352686-3800549. |
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