2017 October 1 Sun - AR12682
AR12682 has just crossed the meridian. A large filament assembly is surrounding the sunspot, while flare activity has subsided.
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 October 1 Sun - AR12682
2017 October 1 Sun - AR12682
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