GREG PIEPOL / SCIENCE PHOTO LIBRARY GREG PIEPOL / SCIENCE PHOTO LIBRARY
Viewing the Sun's full disk in hydrogen-alpha light reveals dark sunspots and long filaments on the disk and glowing prominences along the limb. Equipment data: Coronado SolarMax 90 Hydrogen-Alpha telescope at 880mm focal length. Lumenera SKYnyx 2-2 video camera. Combination of 7 individual framed combined into one.
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