Possible standstill of AB Dra The Z Cam-type dwarf nova AB Dra may be undergoing another episode of decrased outburst amplitude or standstill. Close monitoring is recommended. YYMMDD(UT) mag observer 971027.756 <129 (M. Moeller) 971027.869 149 (G. Poyner) 971027.906 <140 (M. Biesmans) 971028.417 144: (G. Hanson) 971028.801 149 (G. Poyner) 971029.090 142 (G. Hanson) 971029.853 149 (G. Poyner) 971030.060 141 (B. H. Granslo) 971030.416 135 (G. Hanson) 971030.762 <126 (M. Moeller) 971030.974 127 (M. Biesmans) 971031.078 129 (G. Hanson) 971031.814 129 (G. Poyner) 971031.873 127 (E. Broens) 971101.374 128 (G. Hanson) 971102.235 129 (G. Hanson) 971103.081 134 (G. Hanson) 971103.751 <129 (M. Moeller) 971103.996 135 (M. Biesmans) 971104.203 141 (R. J. Modic) 971108.423 132 (G. Hanson) 971109.900 134 (G. Poyner) 971110.938 132 (G. Poyner) 971111.798 133 (G. Poyner) 971113.849 137 (G. Poyner) Regards, Taichi Kato