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2016 July 24 Sun

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發表於 2016-7-26 10:35:43 | 顯示全部樓層 |閱讀模式
AR12565 and AR12567 are very close to the western limb and, as expected, produce many surging flares.  

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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