CN Ori outburst YYYYMMDD(UT) mag observer 20010411.857 <138 (J. Ripero) 20010412.387 138 (R. Stubbings) 20010412.422 142 (P. Nelson) 20010413.394 130 (P. Nelson) 20010413.407 133 (R. Stubbings) 20010413.855 125 (J. Ripero)