01.09.2010
GRB 100901A: MASTER prompt optical+afterglow observations
GCN Circ 11178, GCN Circ 11165, M GCN Circ 11163, M GCN Circ 11161 103 s after BAT trigger. Discovery correlation between Optical, X-Ray, Gamma. The longest set of the photometry on same type instruments.