MKN509 recent (cont'd) YYYYMMDD(UT) mag observer 20041025.806 141 (Christopher P. Jones) 20041104.799 145 (Christopher P. Jones) 20050807.955 146 (Christopher P. Jones) 20050825.870 144 (Christopher P. Jones) 20050828.895 147 (Christopher P. Jones) 20050902.897 148 (Christopher P. Jones) 20050923.846 142 (Christopher P. Jones)