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Fig. 1

image

Overlay of the PACS field of view on a ground-based H2 1-0 S(1) map at 2.12 μm (Lemaire et al. 1996). A 3 × 3 raster map was performed (see Sect. 2). The map covers an area of approximately 110″ × 110″ and is centred on the NW PDR. The emission from the ionising stars (HD 200775), in the bottom left corner of the figure, is saturated. RA and Dec coordinates are in degrees (J2000).

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