The tension was definitely too tight, it's slightly better after adjusting, thank you @Ricochet! And thanks all of the other ideas, I know they will come in handy.
@Tiny Clanger, I'm looking into the Teflon pads too and also backing off the barlow for a bit Also, your explanation of shifting the az being an art is bang on, there's a little science to doing it without overshooting.
I've found a decent spot with a clear horizon for the now passed conjunction, only to be thwarted by a good bit of Yorkshire cloud. Tomorrow may be better, fingers crossed. Maybe I'll catch Santa doing so