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Fig. B.1


Map of the extinction (AV) toward the Cygnus X region obtained from the reddening of 2MASS point sources. The AV derivation is optimized for a distance of 1.7 kpc, and is over-estimated for the more nearby complex of the North America and Pelican Nebulae. The Cygnus X complex is well visible and appears as mostly two large complexes referred to in Schneider et al. (2006) as Cygnus X North and South. One can also note that the S106 cloud is well visible in the southern part of Cygnus X.

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