OJ 287 outburst YYYYMMDD(UT) mag observer 20020423.916 <146 (Gary Poyner) 20020426.904 <142 (Christopher P. Jones) 20020429.887 152 (Gary Poyner) 20020430.908 152 (Gary Poyner) 20020501.881 <149 (Gary Poyner) 20020502.491 <139 (Hiroshi Itoh) 20020502.892 145 (Gary Poyner) 20020503.876 <146 (Jose Ripero) 20020511.890 146C (Diego Rodriguez) 20021014.372 144 (Dan Taylor) 20021109.810 140 (Hiroshi Itoh)