MASTER_OT_J024847.86+501239.7 superoutburst ASAS-SN detection. MASTEROTJ024850.29+401449.5 02:48:50.29 40:14:49.49 18.681 2018/02/13 05:58 58162.248709999956 16.053 99.990 58153.27525 MASTER_OT_J024847.86+501239.7 20180210.266 15.84V ASN MASTER_OT_J024847.86+501239.7 20180213.249 16.05V ASN