GK Per recent YYMMDD(UT) mag observer 980902.028 133 (G. Poyner) 980902.110 132 (B. H. Granslo) 980903.572 132 (T. Watanabe) 980904.010 132 (B. H. Granslo) 980904.628 132 (T. Watanabe) 980905.080 132 (B. H. Granslo) 980908.785 131 (H. Maehara) 980909.633 <126 (M. Nakatani) 980910.881 132 (E. Muyllaert) 980911.849 131 (R. J. Bouma) 980911.980 132 (G. Comello) 980912.628 132 (M. Nakatani) 980912.635 131 (S. Takahashi) 980913.247 131 (G. Hanson) 980914.228 131 (G. Hanson) 980914.550 132 (T. Watanabe) 980914.615 <132 (M. Nakatani) 980914.930 132 (B. H. Granslo) 980915.444 132 (G. Hanson) 980915.635 130 (M. Hiraga) 980916.631 133 (T. Watanabe)