Umbral Flashes
Taken by David Wilson on March 27, 2026 @
Inverness, Scotland
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Camera Used: Unavailable Unavailable Exposure Time: Unavailable Aperture: Unavailable ISO: Unavailable Date Taken: Unavailable |
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Details:
These are the 4 sunspots in active region 4401. They are all pulsing with umbral flashes with the top left having the highest frequency. Playback at 990x real time.
Photographer's website:
https://tinyurl.com/5d83mn5j
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