Two-dimensional LR VIMOS UV spectrum of Ion2 with different cuts to emphasize the spectral features Lyα and Lyβ (bottom) and the Lyman continuum λ< 912 Å, in the range 855–910 Å (top, vertical dotted blue lines). On the left, we show the moving average calculated within a rectangular aperture (855−910 Å × 1.25′′, red-dotted rectangle) in the spatial direction divided by its rms on the left side. A signal is detected at λ< 912 Å with S/N> 5. The inset shows the pixel distribution of the background after sky-subtraction in the region 855–910 Å (derived from the S/N spectrum). The distribution is symmetric (skewness = −0.016) with the mean and median close to zero, +0.0057 and −0.014, respectively. No significant systematic effects are present.