Getting Started
Install the app, configure your telescope, and complete your first alignment. Quick Start →
AstroHelm Documentation
Professional astronomy navigation for your iPhone.
AstroHelm fuses your iPhone’s gyroscope, compass, and GPS with on-device plate solving to give you precise telescope navigation for Messier and NGC objects.
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 →
Support & FAQ
Troubleshooting tips, common questions, and how to reach us. Get help →