2017 October 31 Sun - filaments near NW limb
There is one 1 filament, near the NW limb, observed.
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 31 Sun - filaments near NW limb
2017 October 31 Sun - filaments near NW limb
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- 20171031094712828.jpg (157.99 KiB) 已瀏覽 208 次
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- filament-NW-20171031100024535.jpg (196.5 KiB) 已瀏覽 208 次
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- filament-NW-20171031101028162.jpg (170.58 KiB) 已瀏覽 208 次
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- filament-NW-20171031101443251.jpg (142.8 KiB) 已瀏覽 208 次
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- filament-NW-20171031102534733.jpg (165.05 KiB) 已瀏覽 208 次
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- filament-NW-20171031103932733.jpg (191.76 KiB) 已瀏覽 208 次
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- filament-NW-20171031104621923.jpg (186.53 KiB) 已瀏覽 208 次
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