PKS2005-489 further fading YYYYMMDD(UT) mag observer 20000617.831 125 (A. Pearce) 20000617.831 125 (A. Pearce) 20000629.130 123 (B. Monard) 20000704.853 128 (B. Monard) 20000705.822 128 (B. Monard) 20000708.863 128 (A. Pearce) 20000711.117 124 (B. Monard) 20000711.881 124 (A. Pearce) 20000720.790 129 (B. Monard) 20000724.780 130 (B. Monard) 20000724.823 125 (A. Pearce) 20000731.760 130 (B. Monard) 20000802.716 131 (B. Monard) 20000803.716 131 (B. Monard)