V503 Cyg superoutburst (update) The SU UMa-type dwarf nova V503 Cyg may be undergoing a superoutburst (substantially earlier than its usual supercycle). Confirmation of superhumps by CCD photometry is encouraged. YYMMDD(UT) mag observer 981026.772 <142 (E. Muyllaert) 981030.762 <138 (E. Muyllaert) 981101.767 <142 (E. Muyllaert) 981101.842 <151 (G. Poyner) 981104.874 <142 (G. Poyner) 981106.881 142 (G. Poyner) 981107.110 142 (G. Hanson) 981108.090 142 (G. Hanson) 981108.830 137 (E. Muyllaert)