Fig. E.1

Examples of subtracting the scaled PSF from the epoch 1 SPIRE maps. Top: cuts through the original (coloured crosses) and the residual (coloured dashed) maps at various position angles (blue: 90°, red: 135°, green: 45°) and a cut though the scaled PSF at position angle 0 (black dashed). Bottom: residual maps with the position of V838 Mon marked.
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