Аннотация:MASTER-SAAO auto-detection system ( Lipunov et al., “MASTER Global Robotic Net”, Advances in Astronomy, 2010, 30L ) ) discovered OT source at (RA, Dec) = 17h 30m 10.69s -74d 38m 22.1s on 2020-03-18.91581 UT. The OT unfiltered magnitude is 16.6m (mlim=19.8).