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2013 October 07 Sun - strange prominences on NNW limb

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發表於 2013-10-7 23:30:50 | 顯示全部樓層 |閱讀模式
The jet-like prominence near the N limb has evolved into something very interesting.  It seems there is a void(like we are looking into a tunnel)that forces the plasma to circumvene it.

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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