100 deg2 of the region surrounding Hoinga as seen at 1.4 GHz by CHIPASS, after conversion from K to Jy beam−1. Left panel: original image, and right panel: image after source subtraction, discussed in Sect. 3.3. Hoinga is clearly visible as a crescent-moon in the centre of the image, while Galactic cirrus and residuals around poorly subtracted diffuse sources are visible in the surroundings. The bright source in the northwest is Hydra A. Faint scan lines are visible from the Parkes observing strategy.
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