I just used photoshop for the whole thing, It is there because of the lens flare from shooting the sun, i couldnt be bothered to mess about with it really Angelo, thanks for tips though!
Common problem with the panoramics on UF... I've had the same issue with one of my recent photos.
It looks like quite a fun and interesting concept you got here.
However, there's a stitch towards the right-hand-side that looks rather obvious. It shouldn't be too difficult to fix with some PS. What stitching program did you use?