Crescent nebula NGC6888 in Cygnus

If you hold your mouse over this image, you will see the area around the star SADR. The crescent nebula is in the upper right of this iamge.

Images taken with TEC-140 Telescope mounted on Losmandy G11 mount. Camera used was a Canon EOS20D used at prime focus.

Fifteen 3 minute exposures dark, flat, and bias compensated, aligned and stacked, background removed and Digitaly Developed in ImagesPlus 2.75 beta 2c.