iOptron 8409 CEM26/GEM28 Go2Nova® Manual Control.
The iOptron 8409 CEM26/GEM28 gives you direct control over your telescope - precise, smart and simple. This is the brains behind GOTONOVA® technology, one of the most advanced GoTo systems available. Whether you're a beginner or an experienced observer, with this handheld control you'll find any celestial object in seconds.

Smart controls, effortless navigation
The Go2Nova® 8409 makes setting up and controlling your mount easy. The large 4-line LCD screen lets you see all the information at a glance. The clear menus guide you step by step through the process - no manual needed.
You simply select an object from the huge database, and the telescope automatically moves to it. Thanks to 9 motion speeds, you can follow smoothly or navigate quickly, depending on your preference. This keeps every object neatly in view while you observe.
Discover more, set less
With a database of more than 150,000 celestial objects you have the entire cosmos at your fingertips. From planets to galaxies - the 8409 knows where they are and automatically brings them into view.
Automatic alignment makes the start of each session quick and stress-free. Even if you're working with a GoTo mount for the first time, you'll be ready to observe within minutes.
Ready for modern astronomical software
The built-in USB connector allows you to update the firmware or connect to popular planetarium software such as Stellarium or Cartes du Ciel.
Want to work wirelessly? Connect a Wi-Fi adapter and control your telescope from your laptop or tablet.
What this means for you
- Ease of use: Intuitive menus and clear screen display.
- Quick result: Find any object at the touch of a button.
- Flexible operation: 9 motion speeds for smooth tracking.
- Modern connectivity: USB and Wi-Fi support for software integration.
- Complete database: 150,000 celestial objects for endless discoveries.
The iOptron 8409 Go2Nova® Makes every observation session an effortless experience. See more. Less setting. Always in control.
Specifications
General
| Feature | Description |
|---|---|
| Model | iOptron Go2Nova® 8409 (V1) |
| Compatibility | iOptron CEM26, GEM28 mounts |
| Display | 4-line LCD, 2.17″ x 0.8″ |
| Interface | Intuitive menu structure, backlighting |
| Drive speeds | 9 adjustable speeds |
| Database | 150,000 celestial objects |
| Alignment | Automatic and manual |
| Connectivity | USB connection, Wi-Fi adapter optional |
| Software compatibility | Stellarium, Cartes du Ciel, ASCOM |
| Firmware updates | Via USB |
| Type of system | GOTONOVA® computerized control system |





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