[Clayton]

Originally Posted by von Tom

Thanks Clayton, no worries. I've edited my original post to include larger image size. Is it my imagination or can I see a moon on the upper left limb?

Here's a screenshot from Stellarium for the same time.

I think if you look at the image that I adjusted you can see two moons. One upper left (Ganymede) and one lower right a bit further out (Io) (similar to your stellarium image but rotated a bit anticlockwise)
Also at about 10 O'Clock the GRS is just starting to disappear from view