RT Nor recent data YYYYMMDD(UT) mag observer 20000418.601 112 (A. Pearce) 20000424.597 114 (A. Pearce) 20000503.819 113 (A. Pearce) 20000504.840 113 (A. Pearce) 20000505.819 113 (A. Pearce) 20000506.831 112 (A. Pearce) 20000508.820 113 (A. Pearce) 20000708.380 106 (P. Williams)