143698.fig.0012a
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143698.fig.0012b
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143698.fig.0012c
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143698.fig.0012d
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143698.fig.0012e
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143698.fig.0012f
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Figure 12: Three examples of H maps compared to images ( on the left, H on the right). While on occasion HII regions are seen in the images (e.g., the brightest knot in D495-2), in most cases the H emission is not visible in the optical images.