X Leo outburst YYYYMMDD(UT) mag observer 20000605.878 <141 (J. Ripero) 20000607.210 <143 (G. Hanson) 20000607.878 <141 (J. Ripero) 20000607.890 <148 (M. Verdenet) 20000608.440 <140 (A. Pearce) 20000609.174 <149 (G. Hanson) 20000610.144 <135 (M. Simonsen) 20000610.169 <143 (G. Hanson) 20000611.173 131 (G. Hanson) 20000611.219 129 (G. Hanson) 20000611.360 125 (R. Stubbings) 20000611.438 126 (A. Pearce)