TW Tri outburst The porposed Z Cam-star TW Tri is undergoing a bright outburst as indicated by the following observations. The star, which has been under intensive monitoring in recent months, had not undergone outbursts in this season yet. Follow-up observations are encouraged. YYMMDD(UT) mag observer 981219.562 <137 (S. Takahashi) 981219.880 <149 (T. Kinnunen) 981221.840 <149 (T. Kinnunen) 981223.742 131 (T. Kinnunen) Regards, Taichi Kato