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The main difference between the Losmandy Gemini system and the Argo Navis is the GOTO function. Gemini has servo motors that have optical disks that read the encoder positions, it is also full GOTO -v- Argo Navis push to using the standard stepper motors, both systems acheive the same result in the end only you push the AN. With the Gemini you can sit at your laptop or PC and using any Star Program, push a key and the Gemini will slew to that position without any help from you.
Having used both systems, one will have to decide yourself whether you want push to, GOTO, or automatic GOTO.
The new AN is a very capable system and, can be used on mutiple telescopes with the correct Digital Setting Circles, whereas, the Gemini is confined to use on the mount it came with unless you buy addition motors and gearboxes.
The new Level 4 + version of Gemini has a host of features and is an excellent GOTO system although you will need to know that using it with a G-11, balance is critical.
I am not sure what Gary has in mind for the future, I am sure he will comment.
Cheers
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