V1159 Ori superoutburst The ER UMa type dwarf nova V1159 Ori is undergoing a superoutburst. 20120223.822 135 (Jose Ripero) 20120224.837 145 (Gary Poyner) 20120226.824 135 (Jose Ripero) 20120227.022 132 (J. Bortle) 20120229.855 145 (Gary Poyner) 20120304.035 125 (J. Bortle)