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A couple of things about that autoguider.
It requires a serial port on your computer should you want to use it on a computer. Modern laptops and computers often no longer have serial ports (dinosaur age ). Or if it does it probably only has one and you probably need one to control your mount.
Also the artificial star is merely a power supply for an artificial star and the guider does not do the artificial star guiding itself.
So in essence it is a standalone guider probably most useful for a DSLR imager who won't be using a computer and wants autoguiding ability. There it would be great.
Otherwise your QHY etc guiders at a fraction of the cost with free PHD software may be more bang for your buck.
Greg.
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