Giant sunspot complex 4294-4296 in Red Light
Taken by Sylvain Weiller on December 5, 2025 @ Jerusalem
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In my H-alpha configuration, this composite image (x3) was done before turning on the Quark. There is a red filter in front then it is just filtered red light. Date 2025/12/05
Photographer's website:
https://sweiller.free.fr
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