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2015 September 23 Sun - AR12422

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發表於 2015-10-20 23:36:14 | 顯示全部樓層 |閱讀模式
AR12422 appears near the SE limb.  It is relatively small but shows many surging filaments.

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.


AR12422-600a.gif
Sun-20150923095128511.jpg
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