On August 8, 2024, the U.S. National Science Foundation (NSF) Daniel K. Inouye Solar Telescope captured the sharpest-ever images of a solar flare at the H-alpha wavelength (656.28 nm), revealing dark coronal loop strands in unprecedented detail.The NSF Inouye Solar Telescope Delivers Record-Breaking Images of Solar Flare, Coronal Loops
August 26, 2025
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On August 8, 2024, the U.S. National Science Foundation (NSF) Daniel K. Inouye Solar Telescope captured the sharpest-ever images of a solar flare at the H-alpha wavelength (656.28 nm), revealing dark coronal loop strands in unprecedented detail.