Ed Bianchina's Astronomy

Astrophotography

Nebula

The Great Orion Nebula

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The Great Orion Nebula
The description is below but this object is more than the can be described. This is a one of the few deep sky objects that can be seen with the naked eye. The nebula is located on Orion's sword and can be seen as a fuzzy star. If you have a pair of binoculars you can see a large portion of the cloud. This is the first shot of the year and it will improve as the season progresses. The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated south[b] of Orion's Belt. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344±20 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across. Older texts frequently referred to the Orion Nebula as the Great Nebula in Orion or the Great Orion Nebula. The Orion Nebula is one of the most scrutinized and photographed objects in the night sky, and is among the most intensely studied celestial features. The nebula has revealed much about the process of how stars and planetary systems are formed from collapsing clouds of gas and dust. Astronomers have directly observed protoplanetary disks, brown dwarfs, intense and turbulent motions of the gas, and the photo-ionizing effects of massive nearby stars in the nebula. There are also supersonic "bullets" of gas piercing the dense hydrogen clouds of the Orion Nebula. Each bullet is ten times the diameter of Pluto's orbit and tipped with iron atoms glowing bright blue. They were probably formed one thousand years ago from an unknown violent event. (taken from Wikipedia) For the full article http://en.wikipedia.org/wiki/Orion_Nebula
Posted on October 25, 2009 Full Size| Slideshow