2015 September 20 Sun - AR12415
AR12415 continues to show lots of flares and filaments.A huge filament that originates from the following spot shows sigificant changes.
At 15:58, a flares comes out from the following spot and curves towards SW.
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.
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