Аннотация:AT2020cts MASTER-SAAO auto-detection system ( Lipunov et al., “MASTER Global Robotic Net”, Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 18h 10m 25.50s -61d 17m 46.0s on 2020-02-17.04291 UT. The OT unfiltered magnitude is 15.6m (mlim=19.3).