Fig. 2.
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Left: Zorro Hα image with identified features marked. Right: Zoom into the central area with contours added. The dashed line shows the PA 186.9°. The origin of the axes represents the geometric centre of R Aqr. Contours are drawn at relative flux levels (F) of 0.03 × 2n, where n = 0, 1, 2, 3, and 4. North is up, and east is to the left.
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