Upper panels from left to right: λ6 cm image, Hα emission overlaid by Effelsberg λ11 cm total intensity and the TT-plot result for the new H II region G212.9−3.7. Lower panels from left to middle: Hα emission overlaid by Urumqi λ6 cm total intensity and the TT-plot result for the new H II region G210.8−2.6. Lower right panel: same as the lower left panel, but for G186.7−4.0.
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