[John W (John Wilkinson)]

26th March. A nice sunny day today with good sky conditions.

The large active region AR3615 continues to evolve as it moves across the sun towards the western limb. The first image at 540 nm shows its position today together with the other sunspot regions. The second image at 656 nm (Ha) shows the western sector and flaring around AR3615. Both are single exposures with a Canon 550d.