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Old 12-09-2011, 10:12 PM
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Paul Haese
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Join Date: Jan 2009
Location: Adelaide
Posts: 9,991
Hi Kev, no I don't have a video of a loop forming. These typically take many hours to form and to dissapate. This one was fully formed when I viewed it, so I cannot really tell you what transpired before hand.

The dark streaks are filaments which are prominences as seen from above.

Looping prominences are quite rare, most times prominences don't form with a loop.
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