Superoutburst of TY Psc The SU UMa-type dwarf nova TY Psc is apparently undergoing a superoutburst. Photometric observations are encouraged. The last reported superoutburst of TY Psc occurred in 1996 Nov. YYMMDD(UT) mag observer 971218.930 <140 (T. Kinnunen) 971220.740 <140 (T. Kinnunen) 971221.840 <140 (T. Kinnunen) 971227.533 119 (N. Makiguchi) 971228.740 119 (M. Verdenet) 971228.810 119 (T. Kinnunen) Regards, Taichi Kato