ASASSN-18vn: stage C superhumps Josch Hambsch and Berto Monard reported further observations. The O-C diagram indicates the object now shows stage C superhumps. The period of stage B and stage C superhumps are 0.05803(1) d and 0.0577(2) d, respectively. The Pdot of stage B is -7.1(1.5)*10^(-4).