This is really a test image to see how the reducer on the CDK17 works.
The guiding was done with a Vixen 95VMC and an SBIG ST402ME.
This worked really well and no sign of flexure with 15 minute subs.
The reducer gives F4.51. Collimation is a touch out still so further tweaking is still to be done on a clear night.
I am happy with such a deep image with only 2:45 hours with a 5nm Ha filter.
http://www.pbase.com/gregbradley/image/136352364/large
Here is an inverted image showing the large extent of the nebula not often seen:
http://upload.pbase.com/image/136352411
Greg.