BZ Cir bright superoutburst Comparable to the 2004 superoutburst when the SU UMa-type nature was confirmed. YYYYMMDD(UT) mag observer 20200125.637 161 (Rod Stubbings) 20200228.549 142 (Rod Stubbings) 20200229.485 143 (Rod Stubbings) 20200303.460 133 (Rod Stubbings)