The following pictures were made with a Canon 1D Mark II and different optics.
several pictures were stacked by Registax.  

April 13, 2007, B/W Refractor 6/600, Canon 1D Mark II (6 pictures, 5 minutes each)
February 17, 2007, Zeiss 2,8/135 telephoto lens, Lumicon UHC filter,, Canon 1D Mark II (8 pictures, 3 minutes each)