Bulb timer! Then in Photoshop I combined 10 30 minute exposures for an incredibly bizzare image. Thank you magic Lantern!
http://www.flickr.com/photos/painya/10126800023/
http://www.flickr.com/photos/painya/10126655815/
(http://cache.nebula.phx3.secureserver.net/obj/QTUzOTZEQzM0ODdEMTg3MEI0NjY6N2I2Mzg5OGVhMjlmMGIxNmJlOGJmMjUwNTRlZmFmZjk=)
Wow! That's nice. Thanks for posting.