Аннотация:The symbiotic star YY Her is found in outburst at the unfiltered magnitude (V zero-point) CV=11.87 on 2021-03-15.006 UTC. The images were obtained with the NMW wide-field camera: Canon 135mm f/2.0 telephoto lens + ST-8300M CCD (Sokolovsky at al. 2014, ASPC, 490, 395).