NGC1688 Galaxy in Dorado
| DATE | 11 Nov 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 1: composite image, 16 min |
| IMAGE SIZE (ARCMIN) | 25.5 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | 56 |
| MAGNITUDE | 12.57 |
| POSITION RA-DEC J2000 | 04:48:23.80 -59:48:01.0 |
| POSITION ANGLE: | 274 |
| Rotation Velocity km/s | 79 |
| Size (KiloParsecs... kpc) | 14.08 (ESO-LV "Quick Blue" IIa-O) |
| DETAILS | NGC1688 is a barred spiral |