This is following on from another thread about day for night. I moved the discussion here because I didn't want to hijack the original thread.
Anyways, I'm hoping I can do something about these skies. A luma key seems desirable so I could overlay a new sky, but I don't want to lose the object in the foreground which is also blown a little.
I need to use the basic tools in FCP, Color doesn't run on my machine.