Sunspot AR366/3668 is about 1200MH big and was also responsable for a flare X2.1 this morning. When lookng at the sunspot you will see a lot of details: umbra, penumbra, fibrils, umbraldots, lightbridges and granulation. It's one of my few pictures with such clear granulation.
Setting:
TAL200K f/8.5 with ASI290MM
Barlow x2
Filter: Solarfilter ND3.8, OIII filter and IR/UV cut filter
Exposuretime 1ms, 3000 frames, 81fps
Software: Sharpcap 4, AstroSurface, CS4
