2017 September 29 Sun - AR12681
There is not much change in AR12681 today, activity seems to be slightly subsided. The much darkened and thickened filament ahs also faded.
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
2017 September 29 Sun - AR12681
2017 September 29 Sun - AR12681
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