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2016 July 17 Sun

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發表於 2016-7-18 22:26:56 | 顯示全部樓層 |閱讀模式
AR12564 continues to show lots of fine filaments, and AR12565, AR12566 and AR12567 continue to develop and still produce lots of flares and eruptions.
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.


20160717110252690.jpg
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AR12562-20160717112031478.jpg
AR12563-20160717113016725.jpg
AR12564-20160717112131477.jpg
AR12565-566-567-20160717111711375.jpg
AR12568-20160717112745233.jpg
AR-E-20160717112448329.jpg
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