Fig. 1

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Three-color composite image of the Stockert-25m 11 cm (red; Reif et al. 1987), IRAS 100 μm (green; Miville-Deschênes & Lagache 2005), and the WISE 12 μπι (blue; Wright et al. 2010) emission toward Ophiuchus North. The Sh 2-27 Hii region is ionized by ζ Oph that is indicated by the black cross. The observed region Oph Nl is indicated by the white dashed box, while the other regions are indicated by the white solid boxes.
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