V2905 Sgr brighter YYYYMMDD(UT) mag observer 20010202.100 122 (B. Monard) 20010302.100 124 (B. Monard) 20010328.050 122 (B. Monard) 20010417.960 118 (B. Monard) 20010512.819 117 (B. Monard) 20010517.550 115 (P. Williams) 20010525.530 116 (P. Williams)