Fig. 2
Left: integrated [Fe XIV] emission. The image was smoothed using a Gaussian kernel with a smoothing scale of 1 spaxel across to enhance the fainter structures. The red star marks the proper motion center of the O-rich ejecta derived by Finkelstein et al. (2006). Middle: idem, but for [Fe XI]. Right: combination of both [Fe XIV] (yellow) and [Fe XI] (blue). North is at the top and east to the left.
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