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Veil  Complex,  Widefield 

(Ngc 6960, NGC 6992-95, Pickering's Triangle)

in Ha light;   Click Here for Color Version

Cursor on image for labels, off image to remove labels. Click here for a high resolution version

The Veil nebula complex is one of the features of the constellation Cygnus. It is another supernova remnant, consisting of gases blown off by an exploding star. Its huge size indicates that the explosion occurred long ago. North is straight up in this image.

  Date   2003-07-21
  Scope

  Nikkor 180 mm f/2.8 ED lens at f/2.8, piggybacked on an A-P 1200GTO mount.

  Camera: SBIG ST-10XME with CFW-8A color wheel.  MaxIm CCD 

   camera control. Guiding was via an ST-4 on a separate guidescope.

  Exposures 

  Ha 3 nm Custom Scientific filter; 12 x ten minutes for 120 minutes total

  Processing   

  Frames were calibrated with darks and flats, hot pixels removed, and gradients 

  corrected in MaxIm DL. The frames were then registered and combined in Mira Pro.

  Two iterations of Richardson-Lucy deconvolution were applied in CCDSharp.    

  Levels and  curves were then applied in Photoshop v7 followed by mild unsharp masking.        

 

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