Colour composite of the Spitzer IRAC images of PN1, PN2, and PN3. They are displayed on a logarithmic scale. These infrared images were made from three IRAC bands: 3.6 μm (shown as blue), 4.5 μm (green), and 8.0 μm (red). North is up and east is to the left. The central star of IPHASX J194226.1+214522 (PN2) can be seen in the IRAC image.
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