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Solar Filaments

Filaments, sunspots and flares

Solar Limb

Active Region 2381

Solar Flare

Active Region 2403

Solar Disc

Solar Limb

Different wavelenght Sun

Full Disk

Solar Prominance

Solar Prominance

Active Region 2529

Active Region 2585

Solar Limb

Solar Prominance

Solar Prominance

ISS crossing the CaK Sun

Sunspots and Filaments

Solar Limb

Solar Prominance

Solar

CC BY Paul Stewart