2017 October 29 Sun - plage-filament
The plages have nearly all gone, leaving just traces of what is remaining and a faint filament, very close to the W limb.
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 29 Sun - plage-filament in the S hemisphere
2017 October 29 Sun - plage-filament in the S hemisphere
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