This is a combination of 20 images, each of 120 seconds The images were taken with a Alta-U9 attached to an Televue 85mm F/7 telescope. Each of the images was corrected with a dark frame and a flat field.
A Hydrogen Alpha filter was used.
The area in the center is known as the butterfly nebula (which is different than the Butterfly Planetary Nebula)
Click here for the full resolution image