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Fig. A.1

Identification images of Abell 24, Abell 33, Abell 34, NGC 246, NGC 3699, NGC 6853, PHR J1129-6012, and PN SB 36 nebulae (from left to right and from up to down), showing the location of both the CSPN (arrow) and the comoving companions. Images from ALADIN applet.
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