Deep Sky
NGC6992


Constellation: Cygnus
Part of the Cygnus Loop
Eastern Veil Nebua
Discovered by William Herschel in 1784, the filiments are from the shock wave caused by the long dead star.  The filiments are so thin the only we can see them is from the edge.
There are several ngc numbers to different arcs of this nebula as it covers some 3 degrees in diameter.  This nebula is from a supernova explosion some 5 to 8,000 years ago.  The powers to be are not sure exactly how far from earth (think its 1,470 light-years) this dude is but, size matters. The 3 degrees is an area 36 times the area of the full moon!!!!  

 Besides being the This nebula shows different colors as you can see.  Oxygen, sulfur, and our ever present hydrogen, it is also one of the brightest x-ray features in the sky.


20 images
20 sec
9-15-12