| DATE | 13 Apr 2012 |
| TELESCOPE OPTICS | 508 mm mirror f.4 effective f/4.6 with paracorr2. ccd sony ICX285AL 1360 x 1024px 6.45 x 6.45µm |
| EXPOSURE | binning 1: composite image, 12min |
| IMAGE SIZE (ARCMIN) | ~12 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC6557 = 244 ESO 045- G 003 = 244 2MASX J18210765-7641418 = 247 |
| MAGNITUDE | NGC6557 = 14.3 ESO 045- G 003 = 13.31 2MASX J18210765-7641418 = 14.6 |
| POSITION RA-DEC J2000 | NGC6557 = RA: 18h21m 24.0s DE:-76°35'00" ESO 045- G 003 = 18:22:57.70 -76:41:45.0 2MASX J18210765-7641418 = 18:21:07.60 -76:41:42.0 |
| POSITION ANGLE: | 80 |
| Rotation Velocity km/s | |
| Size (Light Years) | |
| DETAILS | NGC6557 is a spiral galaxy, while 2MASX J18210765-7641418 and ESO 045- G 003 are barred spiral galaxies |
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