V452 Cas: superoutburst Tamas Tordai has detected superhumps on Feb. 11. Recent observations: YYYYMMDD(UT) mag observer 20160205.458 <166c (Mitutaka Hiraga) 20160209.416 155c (Mitutaka Hiraga) 20160210.782 152C (Ian Miller) 20160210.801 154 (Gary Poyner)