Fig. 1
Spitzer2 IRAC 3.6 μm image of the central Cygnus X region including the globule (indicated by a dashed circle and located at α2000 = 20h33m49.3s and δ2000 = 40°08′52′′). The most massive stars of the Cyg OB2 association are indicated with grey stars and the approximate center (e.g. Wright et al. 2015) with a white cross. The H II regions DR15, 18, 20, and 22 are indicated.
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