Thanks.
Focus was actually slightly off as well as I was a bit lazy and left the focus where it was last I used it. But the temperature when I took this one was a lot cooler so the focus had shifted.
I have not fitted a FLI digital focuser to the BRC (I checked its collimation in CCD inspector by the way Mike and it is spot on) to help get pefect focus more easily. It is a bit of a bear to focus out of the box with its awkward helical focuser setup (it is very strong and no flexure though).
Greg.
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