SN 2001bg up to now YYYYMMDD(UT) mag observer 20010510.892 137CR (R. Goncalves) 20010510.900 138V (D. Rodriguez) 20010511.003 143C (F. M. Ewalt) 20010511.863 140 (J. Ripero) 20010511.864 13.85V (D. Rodriguez) 20010511.896 143 (G. Comello) 20010511.917 138 (R. J. Bouma) 20010511.919 137CR (D. Lefoulon) 20010511.926 140 (M. Biesmans) 20010512.481 137 (H. Itoh) 20010512.840 138CR (R. Poncy) 20010512.857 136CR (C. Leyrat) 20010512.858 138CR (J. M. Llapasset) 20010512.867 137R (J. M. Llapasset) 20010512.869 13.90V (D. Rodriguez) 20010512.878 139V (J. M. Llapasset) 20010512.882 133 (A. Sucker) 20010512.896 139 (G. Poyner) 20010512.917 137 (R. J. Bouma) 20010513.087 14.07CR (Donn Starkey) 20010513.125 141C (Donn Starkey) 20010513.126 129R (Donn Starkey) 20010513.166 138 (D. Cunningham) 20010513.167 140 (R. J. Modic) 20010513.353 138 (R. Knight) 20010513.478 <132 (N. Makiguchi) 20010513.481 139 (H. Itoh) 20010513.557 <133 (S. Takahashi) 20010513.856 137 (P. A. Dubovsky) 20010513.863 141 (J. Ripero) 20010514.106 139C (F. M. Ewalt) 20010514.130 140C (Tristan DiLapo) 20010514.840 137 (F. Pujol) 20010514.862 137 (M. Reszelski) 20010514.864 138 (P. A. Dubovsky) 20010514.900 136: (B. Istvan) 20010515.840 139CR (R. Poncy) 20010516.417 135 (R. Knight) 20010516.880 137 (M. Reszelski) 20010517.860 136 (M. Reszelski) 20010518.889 138 (M. Verdenet)