Shelyak Dome Tracker - Roll-Off Roof Kit

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Shelyak Dome Tracker - Roll-Off Roof Kit
Item # SL-ES0010
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  • Add the Shelyak Dome Tracker Kit to your roll-off roof observatory and you will be able to open & close when you want, perform emergency close, and more.
  • This complete system includes the Dome Tracker console, two "end of position" sensors, an RS232 cable, emergency close cable, sensor cable, close command cable, and a 12V connector. A 12V power supply is required (user supplied).
  • The Dome Tracker is controlled via an ASCOM driver or third-party software such as Prism, version 6 or 7.
  • Test Mode Software is included so that you can check all modes during installation.
  • This Dome Tracker Kit is for observatory roll-off roofs with motors & a motor controller installed. A Dome Tracker Dome Version is also available separately.


Shelyak Dome Tracker for Roll-Off Roofs

The Shelyak Dome Tracker was designed to allow automatic movement and closure of a roll-off roof observatory that is already outfitted with motors. The Dome Tracker is inserted between your computer, which is being used to control your telescope and other accessories, and the controller for your roll-off roof motors. Once installed, Dome Tracker can send a signal to your motor controller until the end of position switches are activated.

A Guide to the Dome Tracker Connectors


RS232 Interface: Your PC will connect to the Dome Tracker via an RS232 serial interface. Drive the Dome Tracker via an ASCOM driver or directly from a program like Prism version 6 or 7 (not included). This software will allow you to control your telescope and your dome for continuous alignment between the two during computerized object location and tracking.



Sensors: Encoders keep the Dome Tracker system appraised of your roof's location at all times.



Open:  Open or close the roof with a signal from Dome Tracker.  




Stop:  A switch that tells the Dome Tracker to stop opening or closing the roof.



Emergency or Urgency Interface:  This is a special input dedicated to a weather monitoring system or an urgent stop command that tells the Dome Tracker to close the obervatory.


The Dome Tracker requires a 12V Power Supply (user supplied). The Dome Tracker includes internal relays for electrical isolation.

Additional Information

Additional Information

Manufacturer Shelyak
Warranty 1 Year Warranty
Included Items

Included Items

  • Dome Tracker main system
  • RS232 serial cable: 5m long
  • Emergency closure cable: 3m long
  • End of position sensors (x2)
  • Sensors cable
  • Roof closure command cable: 3m long
  • 12V connector
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