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Monday, October 24, 2011

Amazing picture of nebulae in the Northern Cross in Cygnus!

Amazing picture of nebulae in the Northern Cross in Cygnus!
Click on the image for full resolution (1.7 MB)

This image emphasizes cosmic gas clouds in a 25 by 25 degree view centered on the Northern Cross, the famous asterism in the constellation Cygnus. Bright, hot, supergiant star Deneb at the top of the cross, Sadr near the center, and beautiful Albireo run diagonally through the scene. One can see on the picture the North America (NGC 7000) and Pelican (IC 5070) emission regions, the Butterfly Nebula (IC 1318), the Crescent Nebula (NGC 6888), the Tulip Nebula (Sh2-101) and Veil Nebulae (NGC 6992 and NGC 6960). Silhouetted by the glowing interstellar clouds and crowded star fields, the dark Northern Coal Sack also stands out, part of a series of obscuring dust clouds forming the Great Rift in the Milky Way. These Northern Cross nebulosities are all located about 2,000 light-years away. Along with the Sun, they lie within the Orion spiral arm of our galaxy.
The full resolution image weighs 1.7 MB, so please be (a little) patient when downloading!
Credit and Copyright: Rolf Geissinger
http://www.stern-fan.de/

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