YZ Cnc: slow rise Possible start of a superoutburst? YYYYMMDD(UT) mag observer 20131226.447 15.158V (Stefano Padovan) 20131227.433 14.542V (Stefano Padovan) 20131228.434 12.193V (Stefano Padovan) 20131228.812 118 (Jose Ripero) 20131229.053 117 (Gary Poyner)