This is a combination of 39 images, each of 60 seconds The images were taken with a Alta-U9 attached to an RCX400 12" F/7.19 telescope. Each of the images was corrected with a dark frame and a flat field.
A DSI Pro was atttached to an ETX-90 for guiding.
This is theh first image after the camera was fixed. A light arc and uneven flat fielding are on the right side
Click here for the full resolution image