Yea, to be honest a sunrise is what I'm more concerned about right now, since it's going to open the show and be much more noticeable than the sunset (which is near the end). Putting fresnels along the bottom sounds like a good idea. I've been trying to come up with ways to replicate the brightest spot in the middle of a sunrise right before the sun comes up over the horizon with strip lights, but I don't think it can be done. But doing it with fresnels or pars would work perfectly. Why didn't I think of that before??? Thanks!
The whole effect will be MUCH more effective if there's some kind of scenic groundrow. Just something to mask the bottom 12"-18" or so of the cyc. It could be something cut/painted for the show or just strips of ply painted black.
That make sense? What's the show? (or did you tell us already?)
--Sean