SU Gem brightening SU Gem (RVB) is apparently on the brightening phase of its secondary period. YYYYMMDD(UT) mag observer 20000320.819 134 (E. Muyllaert) 20000325.458 136 (T. Watanabe) 20000326.481 <132 (H. Maehara) 20000326.850 135 (E. Muyllaert) 20000401.460 131 (T. Watanabe) 20000405.862 131 (G. Comello) 20000407.853 128 (G. Comello) 20000407.857 129 (E. Muyllaert) 20000417.842 129 (E. Muyllaert) 20000423.474 134 (T. Watanabe) 20000424.881 136 (G. Comello) 20000504.453 <128 (T. Watanabe) 20000902.735 118 (T. Watanabe)