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Next-Generation OnStep APP

TRITON GOTO builds modern, easy-to-use control apps for OnStep users — available on Windows, iOS, and Android, compatible with all astronomy equipment built on OnStep.

  • Cross-platform desktop and mobile control
  • Built-in star map with GOTO
  • Compatible with all OnStep devices
TRITON GOTO Windows desktop star map interface
TRITON GOTO mobile app interface

Cross-platform control, one consistent workflow across the full observing process

Visual Star Map GOTO

Built-in interactive star map engine with GOTO, visual three-star alignment, and visual polar alignment for visual observing and astrophotography.

One-click Firmware Upgrade

Integrated OnStep firmware upgrade tool, with no need to download additional third-party programs. Firmware upgrades made easy.

Full Cross-platform Coverage

Windows desktop, iOS, and Android mobile clients with highly consistent control logic. Use whichever platform you prefer.

Advanced Parameter Configuration

Simple and easy-to-use configuration tools for DIY users, supporting personalized development needs.

Hardware Projects

OnStep PRO+ TRITON GOTO astronomy controller

OnStep PRO+ Astronomy Controller

TRITON GOTO custom OnStep PRO+ controller with RA / DEC dual-axis motor drive, USB 2.0, ST4 autoguiding, SHC hand controller port, and wireless antenna expansion. Ideal for GOTO upgrades on EQ3D, EXOS2, and other mounts — plus DIY customization.

OnStep SHC GOTO Hand Controller V3

OnStep SHC Hand Controller V3

Dedicated GOTO hand controller for OnStep systems — directional pad, menu, and sync controls for mount operation without a phone. A reliable companion for visual observation and planetary imaging, fully integrated with the TRITON GOTO software ecosystem.