DY Per brightening (cont'd) YYMMDD(UT) mag observer 980930.853 130 (E. Muyllaert) 980930.860 127 (G. Poyner) 981002.751 127 (T. Watanabe) 981003.083 124 (G. Poyner) 981003.585 <126 (M. Nakatani) 981009.074 122 (G. Poyner) 981009.605 128: (M. Nakatani) 981010.006 123 (G. Poyner) 981010.830 127 (G. Comello) 981011.194 127 (R. J. Modic) 981011.816 125 (E. Muyllaert) 981011.942 124 (G. Poyner) 981011.978 130 (J. Ripero) 981012.883 125 (R. J. Bouma) 981014.801 125 (R. J. Bouma) 981014.919 124 (G. Poyner) 981015.840 127 (G. Comello) 981017.800 123 (R. J. Bouma) 981017.978 123 (G. Poyner)