MLAstro Hub
OnStepX Smart Controller
About
Control your OnStep telescope mount wirelessly from your phone. Manage mount status, navigate celestial catalogs, and perform alignment and configuration tasks without a laptop.
What's New in MLAstro Hub
1.1.0
September 13, 2026
Bug fixes and stability improvements
Developer apps
FAQ
What is MLAstro Hub?
MLAstro Hub is a wireless remote control application designed for OnStep-based telescope mounts. It allows users to manage their telescope's functions directly from their smartphone or tablet, eliminating the need for a laptop.
What are the requirements to use MLAstro Hub?
To use MLAstro Hub, you need an OnStep-based telescope mount controller, SmartWebServer running on port 9998 (or a compatible TCP bridge), and a device running iOS 15 or later. Your device must also be on the same local Wi-Fi network as the mount.
Can MLAstro Hub control telescope slewing?
Yes, MLAstro Hub provides full directional control with a responsive on-screen directional pad. You can adjust slew rates, start or stop tracking, and send mount utility commands directly from the app.
Does MLAstro Hub support offline use?
The app description emphasizes wireless control and connection to a telescope mount, suggesting it requires an active network connection to the mount. It does not explicitly mention offline functionality for controlling the mount.
How does MLAstro Hub handle telescope alignment?
MLAstro Hub features a guided alignment workflow that walks users through the process step-by-step. This ensures your telescope mount points accurately every time, making setup more straightforward.
What celestial objects can I access with MLAstro Hub?
MLAstro Hub includes built-in catalogs such as the Messier catalog (110 objects), the Caldwell catalog (109 objects), and a Bright Stars list. You can also enter J2000 coordinates for custom targets.
Does MLAstro Hub have ads?
No, MLAstro Hub is ad-free. The application is designed to provide a clean and uninterrupted user experience for controlling your telescope mount.
Is MLAstro Hub available on Android?
Based on the provided data, MLAstro Hub requires iOS 15 or later and is supported on iPhone, iPad, and iPod. There is no mention of Android compatibility.
