I have been sitting on these images for quite some time now. I think I have taken the standard 18-55mm Canon lens to it's limits here and haven't really been satisfied enough with the results to make individual videos.
It's seemed a bit of a shame to waste all this capture though, so I put them together for a bit of a composite movie.
http://www.youtube.com/watch?v=RRBtgmup0yI&feature=channel
In a 35 second exposure, with stretching in el-cheapo and limited batch processors, this is about the limit of 18mm at F/3.5.
Someone give me a F/1.8!!! PLeeeeaaasssseeee..
Baz.
More on my page. http://www.asignobservatory.com/index.php?option=com_content&view=article&id=79&Itemid=118