GU Sgr very faint YYYYMMDD(UT) mag observer 20010506.292 160:V (S. O'Connor) 20010508.344 161:V (S. O'Connor) 20010510.640 <136V (M. Watanabe) 20010512.635 <136V (M. Watanabe) 20010512.756 <124 (H. Itoh) 20010513.688 <150V (M. Watanabe) 20010515.326 162:V (S. O'Connor) 20010515.333 <153R (S. O'Connor) 20010515.553 <142 (R. Stubbings) 20010517.623 <140V (M. Watanabe) 20010518.681 <146V (M. Watanabe) 20010518.747 <132 (H. Itoh) 20010520.292 166:V (S. O'Connor) 20010520.301 <157R (S. O'Connor) 20010522.648 <146 (A. Pearce) 20010525.530 <145 (P. Williams)