2017 October 24 Sun - huge filament near E limb
The NE part of the huge filament has dispersed, leaving a trail of very faint filament attached to the SW part.
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 24 Sun - huge filament near E limb
2017 October 24 Sun - huge filament near E limb
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- 20171024101827126.jpg (178.83 KiB) 已瀏覽 232 次
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