Hello Hy,

great news from you With the checkbox removed it works for me - at least with the simulator Looks like the solver is a little slower without the checkbox, but not significantly. With 2x2 binning it still is under 10s - that should work for me. And: During refresh the internal solver is much faster - under 1s. But i do not know what heppens in "real life" when i really adjust my mount and get blurred, shaky images. Of course we have clouds here for the next days... But there are silver linings.....

Of course it would be nice if the problem can be fixed in the code. Maybe the following line of code is the problem:

parameters.search_radius = parameters.search_radius * 2;

This doubles the search radius. Maybe the scale has to be doubled too? Regardless of this: I do not understand why the search radius has to be doubled at all. By default it is quite large - much larger than needed for adjustments done by the mount screws during polar alignment. I think the default search radius is set to 30°, doubled is 60° - this is mechanically not needed. I know no mount that can be adjusted more than a few degrees - and the initial position is already know from the third image captured during PA before the refresh cycles start.

And still an issue if running on a slow cpu and/or with a slow solver: The timeout fixed to 10s. This really should be a tunable setting in the options. Even if more than 10s is quite slow and makes the refresh cycles difficult. Should be to the user if he/she/it has enough patience If really needed for some reason the factor that currently doubles the search radius is another candidate for user configurable settings. Should be not difficult to add those settings?

But again: Thank you very much for your support. Looks like this very nice feature can be made working for me - and this will help a lot.

Ciao, Udo

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