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arxiv: 1206.2477 · v1 · pith:TNKZQOGBnew · submitted 2012-06-12 · 🌌 astro-ph.SR · physics.pop-ph

Discovery of New Faint Northern Galactic Planetary Nebulae

Agnes Acker , Henri M. J. Boffin , Nicolas Outters , Brent Miszalski , Laurence Sabin , Pascal Le Du , Filipe Alves This is my paper
classification 🌌 astro-ph.SR physics.pop-ph
keywords discoverynebulanebulaeplanetarypossibleamateurangularanother
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We present the discovery of 6 nebular objects made by amateur astronomers. Four of these discoveries are clearly planetary nebulae (PNe), one is a possible PN, and another is a likely H II region. The bipolar nebula Ou4 presents the largest angular extent ever found : over one degree on the sky! We consider various scenarios that could explain such a nebula. Ou4 could be one of the nearest PNe known, though its possible PN nature will need confirmation.

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