A color composite of the SPIRE maps of NGC 4244, 250 (red), 350 (green), and 500 μm (blue) with the Hi contours from Zschaechner et al. (2011) (contours at 6.4 × 1019 cm-2 increasing by factors of 2. The SPIRE flux stays within the 8.1 × 1019 cm-2 contour (second to highest).
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