V660 Her outburst (fading) YYYYMMDD(UT) mag observer 20010522.947 <153 (P. A. Dubovsky) 20010522.958 <156 (M. Reszelski) 20010523.033 <153 (G. Poyner) 20010523.953 <156 (G. Poyner) 20010523.964 <156 (M. Reszelski) 20010524.948 <156 (M. Reszelski) 20010524.965 155 (P. A. Dubovsky) 20010525.921 153 (P. A. Dubovsky) 20010525.978 147 (M. Reszelski)