Initial trailed spectra (set of June 18, 2009), Doppler tomograms, and corresponding restored trailed spectra of the lines H_β, and H_γ. Dashed line denotes the Roche lobe of the donor and accretor stars. The asterisk denotes the accretor. The line with the circles is part of the ballistic trajectory of a particle moving from the L₁ point. The line with the diamonds traces disk velocities along the stream.