Filtered white light image of the Sun captured earlier today. The large sunspot group (inset) is AR3654, which unleashed an M-class solar flare on 27 April.

Celestron OmniXLT150 Newtonian telescope, Baader film solar filter, ZWO ASI533MC Pro camera, SkyWatcher EQ6R Pro mount.

SER video was captured using SharpCap Pro and the best 400 of 1000 frames were stacked with AutoStakkert. Additional post-processing with Registax and Photoshop.