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2015 September 10 Sun - AR12412 & AR12414

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發表於 2015-9-16 08:52:46 | 顯示全部樓層 |閱讀模式
The sudden eruption of the small patch of palges to the west of AR12412 has developed into AR12414.  However, its avtivity subsided and onle some plaes and small filaments are visible today.

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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