Eclipse Tracker

Astro Yube

About this app

Witnessing a total solar eclipse is one of nature's most awe-inspiring spectacles. Don't leave your location to chance.

Eclipse Tracker is the ultimate tool to plan your observation. Designed with scientific rigor, it combines advanced mapping, real-time weather, and space simulations to ensure you are in the exact place at the precise moment.

🗺️ The best spot, instantly
• Official shadow path and centerline (NASA / IGN Spain)
• Score heatmap blending duration, altitude, terrain and clouds
• Totality duration isochrones
• Historical climatology (NASA POWER) and live forecast (Open-Meteo)
• Bortle/SQM light-pollution overlay powered by VIIRS

🏔️ Terrain matters
• Real DEM elevation (Terrarium) on every point you tap
• 360° horizon sampled against worldwide topography
• Visual warning when a mountain blocks the solar disk

🌌 A real 3D simulator
• Real ephemeris based on JPL DE421 (astronomy-engine)
• Sun with corona, chromosphere, diamond ring and prominences
• 3D Moon with Lambert shading and proper libration
• Deep sky: 100,000+ stars (HYG), 21 constellations, Messier catalog
• Shadow bands and Baily's beads rendered in GLSL
• AR mode driven by your device's orientation

🔬 SCIENTIFIC PRECISION
Every value comes from authoritative sources: NASA GSFC, IGN, IAU, JPL Horizons, Hipparcos and the HYG Database. Every number on screen tells you exactly where it came from.

What’s new

Fixes on Jupiter moons