IK Nor outburst fading YYYYMMDD(UT) mag observer 20010315.831 <153 (A. Pearce) 20010316.808 <153 (A. Pearce) 20010317.853 <153 (A. Pearce) 20010319.587 <140 (R. Stubbings) 20010321.512 140 (R. Stubbings) 20010321.519 140 (R. Stubbings) 20010323.483 <140 (R. Stubbings) 20010323.553 150 (R. Stubbings)