Also, let me draw your attention to the ‘ANH:SE Radical Redux’ thread, in which snooker is working on adding the hyperspace effects to the scene onboard the Falcon after they escape the Death Star. Right now, the standout issue seems to be making the hyperspace tunnel look right for the front-facing dialogue shot, without more than one or two known video sources.
Discussion begins about halfway down page 65:
https://originaltrilogy.com/topic/The-ANHSE-Redux-Ideas-thread-Radical-Ideas-Welcome/id/10131/page/65#1266432