Nakajima-san's observation on Feb 16 already showed superhumps. YYYYMMDD(UT) mag observer 20070211.662 <145 (Yutaka Maeda) 20070211.805 <142 (Eddy Muyllaert) 20070214.887 <145 (Eddy Muyllaert) 20070216.253 12.86V (Mike Simonsen) 20070216.907 127 (Wolfgang Kriebel) 20070216.944 126 (Eddy Muyllaert)