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Fig. 3


Color–composite image of PN G 075.9+11.6. Red corresponds to WISE 4 (22 μm), green to Hα, and blue to [O iii]. North is up, east to the left. The size of the field shown is 105 × 61. The red knot near the tip of the southwestern bipolar lobe is probably a galaxy that is also observed in the optical images.

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