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ngc-5128
Hi Philip,
Amazing picture, just one minute exposures, and at F-10 I wouldent have thought it could be done, this is not a very bright subject, I always give it as much time as the sky conditions will allow (10 Mins.+) and then stack, this is a very good result for paramaters you allowed, Id stick with the F-10 bit for detail if you can get longer exposures withot trailing, when you go to F-6.3 it will be more difficult to obtain as much detail.
cheers.........Jim
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