Thanks for comments.
Mark I am using a 5xPowermate which gives me F28.8 (10,080mm) - F32 (11,200mm-these images) and will take me to F34 (11,900mm) maximum.
Looks like I will be getting a few clear nights but wind may return, seeing seems best before culmination but everytime cloud passes it takes 20mins for good seeing to return so need a completely clear sky really.
Thanks again for comments.
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