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2013 September 09 Sun -summary

[複製連結]
發表於 2013-9-10 00:52:38 | 顯示全部樓層 |閱讀模式
The west hemisphere becomes less active with AR11836 and AR11837  both turned to the far-side, leaving just several small prominences along the NW limb.


Meanwhile, the activites of the SE quandrant continue to develop. AR11838 shows many filaments and flares.  The huge area of plages and flares to its SW is crossing the meridian and continues to develop, and the large dark filament has disappeared.
The huge filament to the east of AR11838 has diminished, but the S-shaped filament to the south is growing, and part of it is still outside the disc, producing several eruptive prominences.

The eruptive prominence that showed up on the SW limb erupts with jets shooting up high into the corona.

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

PTS
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