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The configuration files labeled 8E, 16E, 32E and 64E are different on the Microstepping resolution side: higher the resolution, higher the accuracy, lower the slew speed.

In each file the "E" indicates that is the "Encoder" version, while the number indicates the Microstepping resolution.

StarGo2 Pro mount configuration file

Follow this path: StarGo2 Pro WebApp -> CONFIGURATION -> EXPORT CONFIG.

StarGo2 Pro export configuration file

The Password is: AVgotosys

Usually disconnection are due to poor quality or damaged cables, poor cabling or administrator privileges conflicts between ASCOM app.

Be sure the all the software/app that interact with StarGo via Avalon ASCOM driver run with the same administrator privileges.

Try to replace the USB cable or change USB port.

In case the USB cable is connected to an Hub, is strongly suggested to use Powere Hub.


The StarGo can't be used with step/direction signal output because the motors are directly driven from the CPU.

The Belt Drive System is based on pulleys and belts and may shows a certain elasticity. This feature allows, for example, after a wind gust, the star to comes back on the same pixel after just 2/3 ms compared to the 2/3 sub exposures of the other mounts that can take several seconds, due to the fact that it is the motor to bring back the star in the right position. This make the difference on the final image quality.

In order to assemble the Polar Alignment kit on a M-zero standard mount is required a mount upgrade to the M-zero OBS model, to do this basically the mount base must be replaced.

This operation it must be done here at the company, so the mount must be shipped to the company.

Avalon mounts can works in the range of +50°/-20° degrees, we have users that worked fine at -20° degrees in Canada, as it is possible to read on this forum topic.