Rack and pinion driven gate openers have plenty of torque to handle the roof weights per the above model ranges.

* Interactive Astronomy is not affiliated with TOPENS™ products . Recommendations above are based on customer usage and experience.

© 2023 Interactive Astronomy, LLC

Prior to your order we consult with you directly to determine your exact observatory requirements and establish your custom cable lengths. This allows us to pre-wire the entire system and fully test it before shipment. Call 510-495-7932 for ordering or details.

*Gate opener drive gear can be replaced with a chain sprocket if needed

*Price includes free shipping in the Continental U.S.

All systems for gate openers have the electronic control boards removed.  

This is due to some unresolved issues, usually during electrical storm activity, the gate opener control board logic has caused “Phantom Roof Openings”.

Turn Key System Includes:

• TOPENS™ Motor      

• SkyRoof Controller
• New Motor Relay Board
• Custom Cable lengths
• Custom Enclosure for wiring
• Photo Cell Kits with wiring bars
• Synched Dual Mag Sensor Assemblies
• Enclosure with manual Open-Close button and status lights
• 25 ft USB cable for SkyRoof to Computer
• 12 vdc adapter for SkyRoof Control board, photocell and relay power
• Replacement drive gear for slower, smoother roof movement
• System is completely wired and fully tested before shipment
• A complete observatory layout drawing to establish optimal telescope and equipment locations
• ASCOM™ compliant driver compatible with all ASCOM™ compatible imaging programs
• SkyRoof Control Panel application

Observatory Roll-Off Roof Motor Control System

NOTE: Small gear not sold separately.