2018 March 01 Sun - huge filament
This filament is long but relatively faint.
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: ASI1600MM, 4656X3520 pixels (3.8 micron)
North is up, east is to the left.
2018 March 01 Sun - huge filament
2018 March 01 Sun - huge filament
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- Sun_00046 02_12_49Z.jpg (185.42 KiB) 已瀏覽 279 次
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- Sun_00061 02_14_44Z.jpg (211.35 KiB) 已瀏覽 279 次
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- filament-NNE-02_39_32Z.jpg (135.1 KiB) 已瀏覽 279 次
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- filament-NNE-02_40_08Z.jpg (150.16 KiB) 已瀏覽 279 次
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- filament-NNE-02_44_46Z.jpg (163.02 KiB) 已瀏覽 279 次
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- filament-NNE-02_45_03Z.jpg (139.33 KiB) 已瀏覽 279 次
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