I took 45 x 30 sec exposures of it last night and have made it into an animation. It is here
http://www.youtube.com/watch?v=e6dmqaKkoTM
It starts about 1/2 way up the frame on the left and moves to the right and up. It is dim on this video due to the youtube compression.
The original is here
http://users.northnet.com.au/~bohlse...Movie_0001.wmv