OT J182142.8+212154 outburst ASAS-SN detection. SU UMa-type (superoutburst?) The object was discovered by Itagaki-san. SDSSJ182142.83+212153.5 18:21:42.83 21:21:53.79 17.74 2017/05/31 08:05 57904.33698000014 14.82 15.99 57888.37677 OT_J182142.8+212154 20170531.337 14.82V ASN