This is a combination of 24 images, each of 60 seconds. The images were taken with a AltaU-16MD7D9 attached to an OGS 20” F/8.1 telescope. This used 2x2 binning. Each of the images was corrected with a dark frame and a flat field.
An STV was atttached to a Televue 85 for guiding.
Click here for the full resolution image