Discovery of New Faint Northern Galactic Planetary Nebulae

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...

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Bibliographische Detailangaben

Veröffentlicht in:	arXiv.org 2012-06
Hauptverfasser:	Acker, Agnes, Boffin, Henri M J, Outters, Nicolas, Miszalski, Brent, Sabin, Laurence, Pascal Le Du, Alves, Filipe
Format:	Artikel
Sprache:	eng
Schlagworte:	Celestial bodies Nebulae Planetary nebulae
Online-Zugang:	Volltext
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