I have taken a couple of time lapse sequences with my Canon 50D. There are links to videos at the bottom of the pages. Let me know if there are any issues viewing the files. Thanks for looking.
http://www.fortlewis.edu/observatory/image_detail.asp?ID=204
http://www.fortlewis.edu/observatory/image_detail.asp?ID=208
http://www.fortlewis.edu/observatory/image_detail.asp?ID=204
http://www.fortlewis.edu/observatory/image_detail.asp?ID=208
Fort Lewis Observatory: (37.238, -108.052) ~2360m (7744 ft.) elevation.
Darkness - typically 6.5+
Scope - Meade 16" LX200; f6.3 focal reducer
Focus - JMI Smart focus
Camera - SBIG ST-10XE; (~.5"/pixel)
Guiding - AO-8 and/or Meade 5"/DSI/PHD
http://www.fortlewis.edu/observatory