NYX-88 Harmonic Gear Mount
Limited-time bundle offer: For a limited period, or while stocks last, receive a FREE Pegasus Saddle Powerbox worth £399 when you purchase the NYX-88 Harmonic Gear Mount.
Overview: The NYX-88 Harmonic Gear Mount is a compact, travel-friendly mount designed for astrophotographers and visual observers who want precision tracking, high payload capacity and modern wireless control.
Key Features
- Compact & lightweight: Just 5 kg with a 14 kg imaging payload (no counterweights required).
- Advanced harmonic gear drive: Strain-wave gears on both axes for smooth, backlash-free operation.
- Premium construction: CNC-machined aluminium alloy 6061.
- Precision tracking: RA resolution down to 0.15″ for ultra-smooth tracking and low periodic error.
- Dual mode operation: German Equatorial or Alt-Az mode via PC, hand controller or mobile app.
- GPS/GLONASS built-in: Automatic time and location sync.
- ST-4 guiding port: Compatible with guiding cameras or NYX hand controller.
- Wireless & USB control: ASCOM, Alpaca, INDI and LX200 compatible; Wi-Fi + USB2 simultaneous use.
Why Choose the NYX-88?
The NYX-88 offers a rare mix of portability and precision. With harmonic drive technology, high rigidity and modern software integration, it’s ideal for travelling imagers and permanent setups alike.
Whether you're at home or under dark remote skies, the NYX-88 delivers stable tracking and lightweight performance.
Design & Performance Highlights
Lightweight & Powerful

Only 5 kg, yet supports up to 14 kg without counterweights thanks to its efficient strain-wave drive system.
High-Precision Strain-Wave Gears

Harmonic gears on both axes ensure high payload support and smooth, backlash-free tracking. The RA axis achieves 0.15″ resolution for sub-arcsecond tracking accuracy.
Supports High Imaging Loads

No counterweights needed up to 14 kg payload. Use the M12 DEC shaft for counterweights with heavier rigs.
Equatorial or Alt-Az Mode

Switch between German Equatorial and Alt-Az configurations via PC, hand controller or mobile app.
Power-Off Brake

A safety brake engages automatically on the RA axis during a power interruption.
Wireless & USB Operation
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Simultaneous USB2 and Wi-Fi operation. Works with ASCOM/Alpaca, INDI, LX200 and SkySafari.
Power & Connectivity
- 12 V DC operation: Low power draw — under 0.6 A for tracking, up to ~2 A during slews.
- High-current DC output: GX-12 port supplies up to 8 A to accessories.
- Universal saddle: Accepts Vixen and Losmandy 3-inch dovetail bars.
- ST-4 port: Standard guiding support.
- Safety features: Reverse polarity protection, RA axis safety-limit encoders, automatic home position.
ASCOM Alpaca Native Support

The NYX-88 features a built-in web server with full, driver-free Alpaca support. Imaging software such as NINA can auto-detect the mount instantly over your network.
Optional Accessories
Pegasus Carbon Fibre Tripod

Rigid and lightweight carbon-fibre tripod designed for NYX-88/101.
- Retracted: 65 cm
- Extended: 120 cm
- Weight: 2 kg
- Capacity: 50 kg
Half Pier Extension (180 mm)

Raises mount head by 180 mm. Components required:
- EQ6 / Universal Adapter (PEG-ADAPT101-EQ6)
- Aluminium Standoffs – 3 pcs (PEG-ADAPT101-STDOFF)
- Carbon Tripod Adapter (included with PEG-TRPD101)
Unity Platform

Control and configure the mount via Pegasus Astro’s Unity Platform using USB or Wi-Fi. Provides automatic firmware updates and multi-client ASCOM support.
In the Box
- NYX-88 Harmonic Gear Mount
- 12 V / 5 A GX-12 power supply
- Soft padded carrying bag
- USB2 Type-A to Type-B cable