From left to right, the moons are Titan, Tethys then Saturn, on the other side, Dione and Rhea is the outermost on the right.
This image is a mosaic, as I had to severely over-expose the planet in order to get all 4 moons. The image was taken at 0305 UTC.
Some of the better images taken tonight are here:
This is probably the best image as far as showing the Cassini Division.
This is my favorite of the evening.