IPHASX J052531.2+281946: a new Planetary Nebula towards the Galactic Anticentre
A planetary nebula has been discovered in the course of the INT/WFC Photometric Hα Survey (IPHAS) of the northern galactic plane. It is located near the galactic anticentre direction. Its small diameter and low Hβ brightness point to an extremely large distance. The ``Shklovskii'' galactocentric distance of DGC = 14-->20 kpc3 makes this nebula one
Mampaso, A. et al.
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2005