HW Boo outburst Most likely SU UMa-type object. YYYYMMDD(UT) mag observer 20180227.6080 <152c (Yutaka Maeda) 20180301.6297 <153c (Yutaka Maeda) 20180302.6672 <154c (Yutaka Maeda) 20180306.406 <174V (Gary Poyner) 20180306.6726 146c (Yutaka Maeda)