2015 Sept. 20 Sun - 3rd day of a huge prominence

PTS

2 days later, the huge prominence has turned into a huge dark filament.
Many featurea are visible, especially the barks that are anchored on the disc.

Telescope: AP Starfire EDT 155 mm f/9.   
stopped to 50 mm for disc images, with 4X telecentric lens (f/36) for closeups   
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter   
Camera: Imperx 4M15   
North is up, and east to the left.