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

September 23, 2006, Zeiss 2,8/28 wide angle lens, Lumicon UHC filter, Canon 1D Mark II (3 pictures, 3 minutes each)
September 23, 2006, Zeiss 2,8/50 photo lens, Lumicon UHC filter, Canon 1D Mark II (4 pictures, 4 minutes each)
September 23, 2006, Zeiss 2,8/135 telephoto lens, Lumicon UHC filter, Canon 1D Mark II (4 pictures, 4 minutes each)