There is a drastic contrast between the left half of your image and your right half. It looks like there is almost a line that runs vertically down the image. I like the composition, but the the fact that the left half is darker than the right half is a bit of a distraction for me.
This is a night to day panorama, is it not? I really like the contrast from night to day I think it works really well although your day side has more images but it still works fine
