Fig. 3

Demonstration of our foreground star removal process, using the example of WISE 3.4 μm observations of IC 0342, over a 45′ × 30′ area of sky, shown before (upper) and after (lower) undergoing star removal. Both images are displayed using the same logarithmic brightness scale, to allow both bright and faint features to be seen. Photometric master aperture ellipse, as determined by CAAPR, is marked in green. IC 0342 lies in the plane of the Milky Way, well within the zone of avoidance (b = 10°), leading to a high degree of foreground stellar contamination. Nonetheless, our foreground star removal process successfully subtracts the vast majority of all emission from foreground stars in the vicinity of IC 0342.
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