Fig. 6.
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Example of the ionised gas emission morphology of NGC 4750 seen with HST and ALFOSC/NOT spatial resolutions. Left: Hα emission observed with HST (M11). Right: smoothed version of the HST image with a Gaussian filter (σ ∼ 5) to match the ALFOSC/NOT resolution. In both panels the minimum contour is 3σ over the background and the maximum is 25σ (in yellow).
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