Very 3D Paul it almost seems like its going to fall off the edge of the disc.
I would advise getting a Herschel wedge for white light. I use a Baader one and find it excellent.
Trevor with something like Baader film youre looking at the visible surface of the Sun called the Photosphere. In Hydrogen Alpha youre seeing a layer above that called the chromosphere, thats where the real action takes place.