A flare in AR 2781
Taken by Francois Rouviere on November 5, 2020 @
Cannes, France
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Camera Used: Unavailable Unavailable
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Details:
One minute only separates these two images of the great solar active region AR 2781. The flare, observed here in the ultraviolet light of calcium H, disappeared shortly afterwards.
Details: 210 mm Newtonian telescope with uncoated mirror, Barlow lens and DayStar Quark calcium H filter.
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