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My PMX worked flawlessly out of the box. It was only my own inexperience with the software etc that made it difficult. Once I figured out how to do a T-Point calibration the goto was seven seconds of arc rms in error. With my camera that is about two pixels! Aligning the the mount accurately to the SCP was a doddle.
When doing test exposures of even a few minutes without guiding there is no sign of tracking error.
I have flexure that shows up far more than tracking. In fact I estimate that the tracking error with guiding is less than one second of arc. There are no nasty jumps due to gears as the servo motors control the worms with ribbed belts. There is just no backlash!
I control the mount remotely from inside my house where it is free of cold mozzies and darkness.
This mount lets me get on with what I want to do. I wish I had a mount like this years ago.
bert
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