Getting Started
Install the app, configure your telescope, and complete your first alignment. Quick Start →
AstroHelm Documentation
Professional astronomy navigation for your smartphone.
AstroHelm is available for iOS and Android. It fuses your smartphone’s gyroscope, compass, and GPS with on-device plate solving to give you precise telescope navigation for Messier and NGC objects.
These guides cover both versions, with platform-specific instructions where needed.
Plate Solving
Learn how AstroHelm identifies your exact sky position from a camera frame. How it works →
Object Catalog
Browse 200+ Messier and NGC objects with filtering by type and visibility. Explore →
Remote (iOS)
Leave one device on your telescope and navigate from another nearby iPhone or iPad. Connect your devices →
Support & FAQ
Troubleshooting tips, common questions, and how to reach us. Get help →