ES Del bright maximum YYYYMMDD(UT) mag observer 20000620.947 126 (A. Diepvens) 20000629.000 126 (M. Biesmans) 20000629.031 133 (A. Diepvens) 20000701.756 130 (H. Itoh) 20000708.000 125 (M. Biesmans) 20000716.625 128 (K. Hirosawa) 20000721.985 121 (A. Diepvens) 20000803.958 119 (A. Diepvens) 20000822.864 99 (A. Diepvens) 20000829.690 95 (H. Maehara) 20000829.880 95 (A. Diepvens) 20000902.697 87 (T. Watanabe)