60mm Lunt LS60 Ha solar scope with a DMK41 monochrome camera.

Multiple image composite, Disk consists of 2 images of 1000 frames stacked in AutoStakkert and merged in Photoshop.
The prominence base is the disk stretched and the fainter prominence detail is from a second set of images taken at a higher gain, then added at 50%
http://astrob.in/19351/

sun080912.jpg