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Fig. 1
Overlay of the PACS observations and HIFI observations on a Spitzer IRAC 8 μm image of the Orion Bar. A 4 × 4 raster map of CH+J = 3–2 with 16 overlapping footprints, is shown in green and an example of a footprint is shown in red. The strip of CH+J = 2–1 is shown in blue.
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