Fig. 5.
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Selected HII regions in HST images. Left panel: Outer ring selected HII regions superimposed on the HST WPC3 F606W image. The two regions labelled R1 and R2 seem to be associated with large star-forming complexes. Right panel: Enlargement of the central 5 × 5 arcsec of the galaxy showing the HII regions selected in the inner ring. The young star clusters identified by Díaz-Santos et al. (2007, DS07) are marked with black crosses. Orientation is north up, east to the left.
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