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Old 31-08-2018, 09:00 AM
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Join Date: Sep 2017
Posts: 23
Do Alt-Az GoTo mounts require constant realignment?

I've got a Skywatcher 12" GoTo recently and after a month or so of use I've found a minor issue. Before each viewing session I collimate and align it and for a good hour, the GoTo function (i.e. selecting an object and the telescope slewing to it) is almost pinpoint accurate. However after that using the same function, I have to manually use the controller to adjust it by quite a few degrees to get the selected object into the center of the eyepiece.

Is that expected behavior due to the nature of alt-az mounts or does it indicate a problem with the motors or encoders in my specific mount?

Just read the manual and it seems I could use the PAE function to try and correct this, but I've not tried it yet.

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