Published: November 06, 2026
Capturing high-fidelity data from the solar corona represents one of the most challenging signal-processing and optical engineering tasks in solar physics. While the Sun's visible surface radiates intense luminosity, its outer atmosphere—the corona—is a faint plasma structure bathed in magnetic fields and heated to millions of degrees Celsius. Observing this delicate feature requires isolating it from the overwhelming dynamic range of the solar disk, a feat naturally achieved only during total solar eclipses when the Moon serves as an ideal spatial occulter.
To capture this fleeting phenomenon, mathematical image processing expert Professor Miloslav Druckmüller from the Brno University of Technology, in collaboration with solar physicist Shadia Habbal and the Solar Wind Sherpas team, has engineered a specialized optical and computational acquisition methodology. By coupling multi-spectral astrocameras with high-performance bracketed imaging algorithms, the team extracts detailed thermal and magnetic maps of the corona that space-borne coronagraphs cannot match.
