Аннотация:During Fermi GBM GRB200803A (GCN #28196, Ttrigger=03:34:26.57UT) alert observations (Lipunov et al. GCN #28198, GCN #28199, MASTER cover map), started 47 sec after notice time (74 sec after trigger time) at 2020-08-03 03:35:40 UT MASTER-SAAO auto- detection system ( Lipunov et al., “MASTER Global Robotic Net”, Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 20h 44m 22.34s -62d 56m 41.8s with unfiltered (Lipunov et al. GCN #29202).