Аннотация:https://gcn.gsfc.nasa.gov/gcn3/27324.gcn3MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the GRB200306.95 41 sec after notice time and 85 sec after trigger time at 2020-03-06 22:52:04 UT. On our first (20s exposure) set we found 1 optical transient within Swift error-box (ra=198.579 dec=11.2547 r=0.05) brighter than 17.0. T-Tmid Date Time Expt. Ra Dec Mag---------|---------------------|-------|-----------------|-----------------|------- 95 2020-03-06 22:52:04 20 (13h 14m 13.50s , +11d 16m 12.0s) 14.9The 5-sigma upper limit has been about 17.0magThe message may be cited.