GREG PIEPOL / SCIENCE PHOTO LIBRARY GREG PIEPOL / SCIENCE PHOTO LIBRARY
A single sunspot looms larger than the Earth as magnetic filaments swirl around the associated active region. Equipment Data: Solar Spectrum .2 angstrom hydrogen-alpha filter; Astro-Physics AP155 EDT telescope at 3000mm focal length. Lumenera Infinity 2-1 video camera.
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