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2015 Feb 13 Sun - huge filament "shoots" out

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發表於 2015-2-13 22:42:00 | 顯示全部樓層 |閱讀模式
AR12280 is on the western limb, and the western end of the huge filament protrudes out of the disc.

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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Archiver|手機版|小黑屋|香港天文學會

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