1. Emission Nebula IC 1396
... Astronomy Picture of the Day . Emission Nebula IC 1396 . << Yesterday . 24.12.2007 . Tomorrow >> . ... Kent Wood Explanation: Sprawling across hundreds of light-years, emission nebula IC 1396 mixes glowing cosmic gas and dark dust ...
3. APOD: 2004 October 6 - N11: A Giant Ring of Emission Nebulas
... 2004 October 6 . N11: A Giant Ring of Emission Nebulas . Credit Copyright : C. Smith S. Points , CTIO , AURA , NOAO , NSF . ... One of the largest nebulas yet detected is actually a complex ring of emission nebulas connected by glowing filaments. ...
7. Amateur Telescope Makers of Boston
... absorption nebula of cold molecular hydrogen and dust in front of an emission nebula ... California Nebula (NGC1499) is an emission nebula in the constellation Perseus that ...
8. http://www.cieletespace.fr/node/7969?thickbox=1&width=800&id=
... Nebula (also known as Messier 20 and NGC6514) is an H II region with a remarkable collection of open cluster, emission nebula (the lower, red portion), reflection nebula (the upper, blue portion) and dark nebula (the septation within the emission nebula ...