I'm not entirely sure on this but there was something on this post: http://originaltrilogy.com/forum/topic.cfm/Harmys-STAR-WARS-Despecialized-Edition-HD-REMASTERED-is-now-officially-released/post/557865/#TopicPost557865
Mverta was talking about the bulbs used when this was being projected and that a bulb from the 70s had a warmer yellow hue to it.
After further thought, I'm of the mind my monitor settings may not be setup properly to display the movie in the anticipated result. I'm not sure exactly sure what that scene is supposed to "look like" anymore. LOL. Anyone want to post their screencaps at 30:41 and 30:43? I'm curious what everyone else is seeing.
I'm seeing what appears to be too much brightness as well here. Don't get me wrong, this whole project by Harmy was a MAJOR undertaking on his part, with a lot of help from many others also, and I don't want to come off like I am any sort of expert on how to adjust things according to color timing. Anyway, here they are: