TServo2049 said:
I don't remember there being distinct matte lines like these in the SE recomposite of this shot...
After years of analysis of the SEs of ep 5 and 6, I've come to the conclusion that recomps were not done on all shots like they were for ep 4. Obviously, there are exceptions like the Rancor scene and the battle of Hoth, but I feel like in most instances, they left the original elements alone and just masked out mistakes and added in new cgi effects. You can still see garbage mattes in the space scenes in Empire (ie the asteroid belt scene) and in Jedi as well.
In my opinion, they probably felt the effects were too complicated to recomp (especially the final battle in Jedi which has over 100 different elements), and just fixed up a few things like TIE fighters flying through the falcon and called it a day.