Аннотация:MASTER-OAFA auto-detection system ( Lipunov et al., “MASTER Global Robotic Net”, Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 18h 46m 25.50s -53d 19m 32.8s on 2020-02-25.21804 UT. The OT unfiltered magnitude is 16.1m (mlim=17.2).