g-force said:
The fuchsia to red on the X-wing shot got a bit blocky, although everything else in that shot looks great. I bet the reference frame you are using just doesn't have enough magenta in it for a good mapping. I wonder what would happen if you used Mike's version of that frame as the reference.
-G
I think it is in the source. Watch this video and Mike talks about it: https://vimeo.com/124147988