Thanks Clive, Marc and Doug for your comments. Doug I have just removed the 14" SCT from its mount and getting ready for some wide field imaging. After a year of less than ideal seeing I have given up on Jupiter. So more data with the 14" on the Helix will have to wait. I am looking forward to using the Takahashi 160mm F3.3 Astrograph.
All the best.
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