TW Tri outburst YYYYMMDD(UT) mag observer 20011219.061 <136 (Mike Simonsen) 20011220.858 <139 (Eddy Muyllaert) 20011220.930 <152 (Maciej Reszelski) 20011220.944 <131 (Pavol A. Dubovsky) 20011220.951 <139 (Hazel McGee) 20011221.130 <147 (Mike Simonsen) 20011222.078 <141 (Mike Simonsen) 20011222.882 <139 (Hazel McGee) 20011231.771 133 (Hazel McGee)