LOFAR 141 MHz (left) and VLA 1.4 GHz (right) high-resolution flat-noise images (i.e. primary beam uncorrected). The contaminating discrete sources, marked with the magenta contours, are removed from the uv data. The source in the dashed circle is not included in the subtracted model. The contours are [1, 2, 4, 8, 16] × 3σ, where σ_LOFAR = 140 μJy beam⁻¹ and σ_VLA = 80 μJy beam⁻¹. The blue compact-source-subtracted contour is drawn at 2σ, where σ = 335 μJy beam⁻¹ and the beam size is 45.7″ × 44.7″.