Sunspots are not very obvious in H alpha images but the region around those in this image do show structure from the intense magnetic fields that surround them.
Details
2016-07-17 from backyard in Victoria BC
Clear sky with no wind.
ZWO ASI120S Monochrome camera and Lunt 60mm scope with 50mm double stack filter on Celestron Advanced VX mount.
One 2000 frame 640x480 px video sequence .
The best 400 frames were stacked and sharpened in Autostakkert and further processed in photoshop.