2014 Oct 20 Sun - AR12192 continues to develop
The largest sunspot of AR12192 is plainly visible with the naked-eye.The flares and aruptions continue on the solar surface.
The last 4 images look like white-light images, but are actually captured through un-heated H-alpha filters.
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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