Topical Issue - Space Weather Instrumentation
Open Access
Technical Article

Fig. 8

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Left panel: the image shows the mask of the observed active region. The blue line shows the location of pixels where the mask intensity profile is calculated; central panel: intensity profile of the mask corresponding to the blue line; right panel: same profile after the Gaussian smoothing. The abscissas of the plots reported in the central and right panels are in pixels. The profile range (displayed by blue line in the left panel) is 20 pixels.

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