TZ Per outburst YYYYMMDD(UT) mag observer 20010216.842 <141 (J. Ripero) 20010216.848 139 (C. P. Jones) 20010217.808 <141 (J. Ripero) 20010217.812 <141 (G. Poyner) 20010217.832 <140 (P. A. Dubovsky) 20010218.782 142 (M. Reszelski) 20010218.801 <141 (E. Muyllaert) 20010219.094 <140 (M. Simonsen) 20010220.719 <137 (T. Kinnunen) 20010220.767 137: (M. Reszelski) 20010221.078 136 (M. Simonsen)