StarGO GoTo Control System

The StarGO is a Computerized GoTo Control System based on stepper motor technology. StarGo can manage both Alt-Azimuthal and Equatorial Mounts, even if has been designed mainly for the M-zero, M-uno and Linear mounts (as can be seen on the picture below) thanks to the programmable Gear Ratio and the special motor kit, it may be easily used with other brand mounts.

Its design follows the most recent technological development in this field, consisting in realising a very simple hardware characterized by a large field of applications such as the management of focusers, filter wheels, DSLR cameras, etc. without the need of frequent modifications to be adapted to new devices but maintaining the possibility to be controlled by a PC, smartphones and tablets.

Functions performed by the StarGO control system. It is composed by five main components:

1. The StarGO Control Box that can be embedded in the mount as for the Avalon Linear and M-Uno, or in a separate control box for the M-Zero (and for its use with all other compatible third part‘s mounts). It has the duty to provide the smart interface between the internal motors and the external world. It performs all the communications with specific components (Focuser, CCD rotator, DSRL camera, and other auxiliary devices) using direct connections and with Windows and Mac computers via USB. The wireless Wi-Fi and Bluetooth capability is also integrated in the control box to interact with intelligent devices such smartphones, tablets and, again with Windows and Mac computers.

2. The StarGo Keypad allow the control of the mount, perform almost all the available and most needed operations

stargo keypad 4003. The StarGO software, entirely developed by Avalon Instruments, uses a computer to perform all the setup and management operations, including the control of various external equipment that can be connected to the control box.

X-Solver tool
The X-Solver is an application based on the Plate Solve solution. With X-Solver it is possible to build Sky Model till 24 stars that can be saved and used later even during other night sessions.
With X-Solver application comes two very useful tools: the Sky Model and Polar alignment. The Sky Model allow to build easily a sky model up to 24 stars. The tool provide an intuitive GUI that shows a 2D representation of the sky top view that can be designed from the user simply by the mouse double click.
The modeling function is particularly useful in fixed observatory installations, however for the speed of its execution, it may be used also for mobile installations, especially for visual observation (after a short period of CCD use at the very beginning of the session).
The Polar Align is a tool for a fast and easy Polar Alignment by using the Plate Solve function.

x solver desktop 700

4. The StarGO-BT application for Android devices that allows to interface them with the StarGO control box via Bluetooth connection. With this application the Android devices become like a control pad. This application, as well as the PC StarGO, is under continuous development to add new functionalities.


5. The AvalonStargo ASCOM driver that makes possible the interaction between the StarGO Control Box and the most used astronomical software applications such as Phd2, TheSkyX, SNPP7, Maxim, SGP, CartduCiel, Stellarium, etc.

StarGO Compatibility

In this video it is possible to see how the StarGO Ascom Driver is able to manage several astronomical softwares connected at the same time


 StarGO Standalone Case

The StarGo GoTo Control System is also available within high quality case as an upgrading system for other mounts

Third parts mounts

Mount upgrading available motors kit


Download the StarGo GoTo Control System Fast Reverse Brochure

avalon instruments catalogue cover 1000

Technical Data
  • Equatorial and Altazimuthal GoTo system stepper motor based with programmable Gear Ratio (1234,123)
  • Configuration file saving feature.
System Speeds
  • Guide: From 0,05 to 0,95x with 0,05x increments
  • Center: From 2 to 10x
  • Find: From 10 to 150x with 0,05x increments
  • Slew: N. 4 speeds, depending on the mount "gear ratio", up to 1400x @ 12/18 VDC
Tracking Speeds
  • Sideral
  • Solar
  • Lunar
  • Terrestrial
  • Fine tracking adjustment feature
Autoguide Speeds
  • RA: From 0,05 to 0,95x with 0,05x increment step
  • DEC: From 0,05 to 0,95x with 0,05x increments
Data Base
  • 14000 Default objects
  • The database may be easily editable by the user using a simple text editor
Input/Output Ports




  • ST4
Output ports
  • DSRL
  • Steeldrive Baader (AUX0)
  • AUX1: Hybrid Step Motor with a max current of 300mA when powered at >= 12 VDC
  • AUX2: Hybrid Step Motor with a max current of 300mA when powered at >= 12 VDC
Electrical Charateristics
  • Power Supply: 12 – 18 VCC stabilized. Current: 0,5 to 1,5 A
Control Operations
  • Goto e Sync to the Database Objects, Park, Unpark
Updating FW
  • Via USB
Environment Operating Temperature
  • -20 ≈ +40 °C

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Avalon Instruments

is a DS Group s.r.l. brand
 Via dei Rutuli, 101 Aprilia (LT)
Tel. 06/925.62.55
CF/P.IVA 01765460595 - R.EA. LT/1996-88885
C.S.I.V. EUR 91.800,00 - Terms of service

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