Thanks Mick. I think I found a step size that gave me a fairly repeatable V curve last night and focus looked good in the test shots. But as seems to be the case in AP gremlins crept in elsewhere last night. The mount just wouldn’t behave and PHD just couldn’t seem to control it. After 3 hours of frustration I opened it up and noticed the DEC belt had slipped a bit. Rather than take it all down and fix it I attempted to move the belt in situ while parked... snap! Of course a dumb idea while under tension but I was tired and frustrated. So now I have to wait for a new belt from Rowan, I ordered an extra this time. The joys of cheap Chinese mounts.
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