PKS2155-304 recent (cont'd) YYYYMMDD(UT) mag observer 20010423.035 139 (B. Monard) 20010425.130 138 (B. Monard) 20010506.150 136 (B. Monard) 20010520.149 136 (B. Monard) 20010523.065 134 (B. Monard)