First C6 flare on AR4478
Taken by Sylvain Weiller on June 25, 2026 @
Jerusalem, Israel
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Details:
Today I monitored and acquired sunspot AR4478 for more than 8 hours, recording one 15GB SER file every min... The only very short flare (about 3 min only) was not really powerful at C 6.65 [peak 15:03 UT] and occurred when the Sun was already low in my location. Then the resolution is bad. Just for the record!
Note: the SSD I used had only 250 Gb free space! But my software GOESSunGun managed well, permanently deleting all videos with no-flare C5+, older than 7 min [almost 4 TB freed in total!].
Acquisition: Player One Saturn M camera + FireCapture /
Selection of 597 'flare' frames: SER-player / Registration: AStroSurface / 1 click colorization and Earth added at scale with my software SolarGun.
On my page the "Solar Flare Probabilistic Forecast" says for tomorrow : Probability of M1+ flare : 58% / Probability of M3+ flare : 27%
Photographer's website:
https://http://sweiller.free.fr/
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