GX Cas superoutburst The reported outburst of GX Cas continues. The duration suggests a superoutburst. Time-resolved photometry is encouraged. YYMMDD(UT) mag observer 981001.860 <152 (T. Kinnunen) 981002.769 <152 (T. Kinnunen) 981003.069 <152 (G. Poyner) 981003.790 <145 (T. Kinnunen) 981005.769 <141 (T. Kinnunen) 981006.760 137 (T. Kinnunen) 981007.130 138 (G. Hanson) 981007.751 136 (T. Kinnunen) 981008.949 137 (T. Kinnunen) 981009.040 138 (G. Poyner) 981009.135 137 (G. Hanson)