42.9369000° N, 0.1411000° E • Elevation: 2877m
Iconic mountaintop high-altitude observatory above the clouds in the French Pyrenees, revered for astronomical research and astrophotography.
Class 2: Truly dark site with negligible glow.
Astronotify continuously computes SGP4 high-precision orbital chords for the International Space Station passing across the Sun and Moon.
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