HP Nor outburst YYYYMMDD(UT) mag observer 20010126.642 <136 (R. Stubbings) 20010128.633 <136 (R. Stubbings) 20010131.708 <136 (R. Stubbings) 20010201.833 134 (A. Pearce) 20010202.710 132 (R. Stubbings) 20010202.835 132 (A. Pearce)