Z Cha outburst fading YYYYMMDD(UT) mag observer 20010511.374 <144 (R. Stubbings) 20010513.391 134 (R. Stubbings) 20010513.396 134 (R. Stubbings) 20010513.424 134 (R. Stubbings) 20010513.533 133 (A. Pearce) 20010514.467 <144 (R. Stubbings) 20010514.544 <144 (A. Pearce)