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2016 July 30 Sun - before the hailstorm comes

[複製鏈接]
發表於 2016-7-30 21:55:53 | 顯示全部樓層 |閱讀模式
The long filament in the northern hemisphere are now on the western side.The large patch of AR-like region near the SE limb is still showing lots of activities.
The tiny AR12570 near the E limb has become larger.


Many prominences show up on the limb, many demonstrates rapid motions even during today's relatively short observation..

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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