NGC6960 The Western Veil Nebula

NGC6960. The Veil Nebula: Commonly named the Veil nebula, the Cirrus nebula or the Witches Broom nebula. It lies in the constellation of Cygnus the swan shining at a low surface brightness of magnitude 7 at a distance of 1,500 light years. It was discovered back in 1784 by William Herschel.  I took this image under heavy light pollution and a first quarter moon, the sky conditions was very clear however stars was only visable down to magnitude 4.5. I was using my ten inch F4.8 reflector.with an Atlux mount, an Atik 383L mono CCD camera and P.H.D. auto guiding. The exposure time was one hour for each narrowband filter, [ HA . O111 and S11 ] and forty minutes for each R.G.B. filter. I captured five minute sub frames with matching dark frames and combined them with flat field frames to reduce the effect of vignetting in the final image.

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Narrowband Unsharp Masked