A fascinating, very rapidly evolving limb flare and massive surge/spray on the north eastern limb captured with a 4" scope, 0.8A Daystar ION filter and DMK 21AU618.AS. This area has since rotated onto the disk, now designated AR11548, and has been the site of several flares up to M class.

Jim Ferreira, Livermore CA, http://www.lafterhall.com/halpha_sun.html