Calibrated radiometric light curves of bolides EN311015_180520 and EN311015_231301 (solid curves). For EN311015_180520 data from two imaging cameras are also given (crosses). After bolide maximum, most of radiometric signal was produced by a stationary trail. Camera data contain only the bolide moving further down. Time zero corresponds to 18:05:18 UT for EN311015_180520 and 23:13:00 UT for EN311015_231301.