HW Boo outburst (object below the period gap) YYYYMMDD(UT) mag observer 20180609.587 <153 (Hiroyuki Maehara) 20180609.9000 <146 (Jose Ripero) 20180610.980 <148 (Gary Poyner) 20180612.624 <153 (Hiroyuki Maehara) 20180613.626 144 (Hiroyuki Maehara)