Mike - Top Job indeed.. 43° is definitely not high in the sky! and you've got yourself plenty of good detail in that image! A happy birthday indeed!
Well done.
Peter - When I've imaged Saturn/Jupiter at 6000~8000mm, I take the camera out, and use a reticule EP with a parfocalising ring to center the planet in the field of view, then slot the camera back in... from there, I almost always have the planet on the chip (or at least, part of the disc) if not, defocusing about 3mm will turn the planet into a big airy disc, then if the planet is within 1x its own diameter of the field of view, you'll see the airy disc in the field of fiew...