2015 Sept. 23 Sun - 6th day of a huge filament
After missing observations for 2 days, the huge filament is about to cross the solar meridian.Many knobs and barbs afre visible in this filament.
An active region (AR12423) has appeared to the west of the filament.
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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