Harmy said:
If someone would find the link to that article I always quote to back up that the compositing is an important part of the original effects, I'd apprecite it (I'm on my phone).
is this it:
http://www.theasc.com/magazine/starwars/articles/empire/comop/pg1.htm
did some digging and found it in this post you had
http://originaltrilogy.com/forum/topic.cfm/Complete-Comparison-of-Special-Edition-Visual-Changes/post/687712/#TopicPost687712