Veil Nebula

Veil Nebula (NGC 6992) in Cygnus

Technical Details Telescope: FSQ-106 Mount: MI-250 Camera: SBIG ST-10XME Filters: Astrodon LRGB Dates: July 1-3, 2008 Exposure: LRGB: L=27x5min, RGB=30R, 28G, 26Bx5min each for 9.25 hours total at -20C Notes: This is the eastern portion of the Veil Nebula, or Cygnus Loop, a supernova remant.  The supernova exploded 5,000 to 8,000 years ago, and the remnants have been expanding ever since.  The distance to the Veil nebula isn't well known, estimates range from 1,400 to 2,600 light years.