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Fig. A.6

Nebula M 2-14 (PN G 003.6+03.1). The data are presented as in Fig. A.1. The slit is along the minor axis. The high velocity wing of the [N ii] line is not in the model (which assumes a linear velocity gradient). It may arise from the base of the polar flow.
This figure is made of several images, please see below:
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