Antennae Galaxies - NGC 4038/NGC 4039
Based on observations made with the European Southern Observatory telescopes obtained from the ESO/ST-ECF Science Archive Facility.
Filters: R_BESS, V_BESS, B_BESS, H_Alpha, HeII
Aquisition dates: 2005-06-09 and 2005-08-07/08
Calibrated for bias and flat field with IRAF, processed with GIMP to combine colors and to enhance levels, contrast, saturation and other stuff.