MKN509 recent (cont'd) YYYYMMDD(UT) mag observer 20010811.010 146 (C. P. Jones) 20010814.917 143 (C. P. Jones) 20010824.916 145 (C. P. Jones) 20010827.919 144 (C. P. Jones) 20010904.910 143 (C. P. Jones) 20010908.888 148 (C. P. Jones)