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Welcome to the SS-One Astronomy Equipment forum.

SS-One is a Japanese maker of astronomy equipment, which includes mounts, mount controllers, and camera controllers for autoguiding, polar-alignment, and imaging.

Some software developed by SS-One to run on the Raspberry Pi will be open-sourced, so please bring your questions, discussions, suggestions and imaging results here.

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Here's a link to a presentation I made to the Orange County Astronomers last week. I plan to keep this web page updated as I learn more about the projects.


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I just got one of these wi-fi USB adapters (TP -Link TL-WN725N) to try with the AG Element. It seems to work fine in place of the sample unit from Japan which was provided to Ted at Hutech, and is currently on sale at Microcenter for only $7.99 (normally $12.99).

I did not have to install any extra drivers. I simply plugged it into the AG Element and it booted up with its hotspot functionality active.

It should be useful in general to anyone with a Pi 2 which needs to have wi-fi connectivity. Pi 3 doesn't need one because wi-fi is built-in already.


It would be nice if it generated a log of the guide movements so that it could be examined later, maybe in the same format as PHD2 since there are a number of tools that analyze guiding data from PHD2. Looking forward to having a go with it and see how it performs.

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The first product announcement from SS-One is a stand-alone autoguider (Raspberry Pi 2B inside, no additional computer required). This will be available in the U.S. initially from Hutech (

This light-weight, compact unit has a small LCD (2.2" TFT 320x240) for display in an aluminum case, and connects to a USB imaging camera (ZWO ASI120MM and ASI120C or SS-One [to be announced later]) . Your mount's autoguiding input connects to the output provided by the camera.

Power connection to both the Raspberry Pi and the camera is via a micro-USB connection on the Raspberry Pi case. A "high" power charger (2A @ 5V)) should be used.

For those not familiar with the Raspberry Pi, this is an ARM-based Linux micro-pc which features a low power CPU, USB device support, and ethernet/internet connectivity (also works with an optional external USB wi-fi module).

Later, the code for this unit will be released as open-source, so many possibilities for user-expansion exist.
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