SEDs of HBC 722 at four different representative epochs of the outburst. The panels in the upper row present the actual SED (filled symbols), with the quiescent SED from 2006 (open symbols) overplotted. The first epoch in 2010 May corresponds to the kickoff of the outburst just preceding the rapid first brightening, when the source was already in an elevated state compared to the quiescent one. In 2010 May the JHK_S data points (asterisks) are extrapolations from later observations. The lower panels show the difference flux between the actual and the quiescent SEDs for the four epochs, as well as accretion disk fits to the difference.