NGC1638 Galaxy in Eridanus
| DATE | 16 Nov 2015 |
| TELESCOPE OPTICS | 508 mm mirror f.4 . ccd
Kodak KAF8300
3326 x 2504px 5.4 x 5.4µm |
| EXPOSURE | binning 1: composite image, 11 min |
| IMAGE SIZE (ARCMIN) | 30 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC1638 = 145 2MASX J04411628-0134426 = 418 2MASX J04410687-0145036 = 1042 |
| MAGNITUDE | NGC1638 = 12.91 2MASX J04411628-0134426 = 14.6I 2MASX J04410687-0145036 = 17.33 |
| POSITION RA-DEC J2000 | NGC1638 = 04:41:36.50 -01:48:33.0 2MASX J04411628-0134426 = 04:41:16.30 -01:34:42.0 2MASX J04410687-0145036 = 04:41:06.80 -01:45:04.0 |
| POSITION ANGLE: | 222 |
| Rotation Velocity km/s | na |
| Size (Light Years) | 72,000 (POSS1 103a-O) |
| DETAILS | NGC1638 is a barred spiral |
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