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2015 Oct. 13 Sun -AR12434

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發表於 2015-10-19 22:40:07 | 顯示全部樓層 |閱讀模式
AR12434 appears on the SE limb on Oct. 13, surrounded by a dark filament/prominence.

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.
         
Sun-20151013130449140.jpg
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AR12434-20151013131719653.jpg
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AR12434-20151013132216732.jpg
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AR12434-prom-20151013131649853.jpg
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AR12434-prom-20151013132035859.jpg
AR12434-prom-20151013133325426.jpg
AR12434-prom-20151013133442998.jpg
AR12434-prom-20151013134435468.jpg
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