Аннотация:MASTER-OAFA auto-detection system ( Lipunov et al., “MASTER Global Robotic Net”, Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 19h 44m 03.17s -52d 14m 31.8s on 2021-10-04.03809 UT. The OT unfiltered magnitude is 18.2m (mlim=19.3).