CP Dra superoutburst YYYYMMDD(UT) mag observer 20200403.928 <149 (Gary Poyner) 20200406.903 <149 (Gary Poyner) 20200407.6694 <150C (Masayuki Moriyama) 20200408.949 <149 (Gary Poyner) 20200411.949 <154 (Gary Poyner) 20200413.910 148C (Jeremy Shears) 20200413.915 149 (Gary Poyner) 20200414.926 151 (Gary Poyner)