Arcs above departing AR13664
Taken by Alexander Golitschek on May 14, 2024 @
Darmstadt, Germany
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Details:
Today showed good to fair seeing conditions for several hours. This H-alpha timelapse spans almost 2 hours that show arc prominences above AR13664 on the solar limb. They appear almost out of nowhere - maybe the plasma was colder or thinner when it got ejected but for some reason brightened (heated?) up while being afloat?
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