NGC4689 Galaxy in Coma Berenices
| DATE | 3 Apr 2016 |
| TELESCOPE OPTICS | 508 mm mirror f.4 . ccd Kodak KAF8300 3326 x 2504px 5.4 x 5.4µm |
| EXPOSURE | binning 1: composite image, 12 min |
| IMAGE SIZE (ARCMIN) | 29.75 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC4689 = 86 2MASX J12472877+1339197 = 1185 2MASX J12473852+1353296 = 929 2MASX J12473858+1340046 = 933 SDSS J124812.82+133946.4 = 868 |
| MAGNITUDE | NGC4689 = 11.6B 2MASX J12472877+1339197 = 18.1g 2MASX J12473852+1353296 = 18.2g 2MASX J12473858+1340046 = 16.8g SDSS J124812.82+133946.4 = 17.6g |
| POSITION RA-DEC J2000 | NGC4689 = 12:47:45.50 +13:45:46.0 2MASX J12472877+1339197 = 12:47:28.80 +13:39:20.0 2MASX J12473852+1353296 = 12:47:38.50 +13:53:29.0 2MASX J12473858+1340046 = 12:47:38.50 +13:40:05.0 SDSS J124812.82+133946.4 = 12:48:12.80 +13:39:46.0 |
| POSITION ANGLE: | 128 |
| Rotation Velocity km/s | ~290 |
| Size (Light Years) | 84,000 (POSS1 103a-O) |
| DETAILS | NGC4689 is a spiral LINER galaxy with Seyfert activity. It also appears to be ringed. |
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