Radial profile of the linear degree of polarization for the continuum (blue) and Hα (red) filters for the NE (top left panels), NW (top right), SW (bottom right), and SE (bottom left) regions. The PAs are indicated in each panel, increasing clockwise in steps of 22.5°. Each data point is the average of six adjacent pixels along the corresponding PA vector, and the error bars are the corresponding standard deviations.