Salvo Lauricella from Italy
This set of images shows the Sun’s Active Region 13477, imaged in white light (bottom) and two narrowband filters: Calcium-K (top) and Hydrogen-alpha (middle).
Tri-color Sun
Salvo Lauricella from Italy
This set of images shows the Sun’s Active Region 13477, imaged in white light (bottom) and two narrowband filters: Calcium-K (top) and Hydrogen-alpha (middle).