Hmm my message didn't show up another finger malfunction! Okay I did figure out DSS and here are two shots.
The first is of Saturn shot at 1s. Not so good because DSS could only find enough stars in 1 frame so the stacking didn't do anything.
The second was shot right after the first but at 4s. Antares and M4 With the Oph nebula. DSS used at 10 frames and the difference is rather noticeable.
Lessons learned: For my camera/lens 4 seconds works well. I need to get on a first name basis with DSS. I can do short exposure stacking without polar alignment.
The games afoot. Thanks for suggesting the test.
Brian
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