ENORMOUS X 4.2 FLARE ON AR 4366 !
Taken by Sylvain Weiller on February 4, 2026 @
Jerusalem, Israel
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Details:
The most powerful solar flare (X4.2) I’ve ever been lucky enough to capture in my entire life as an amateur astronomer!
This morning, despite the clouds, I had set up all the equipment, and a bit later I was silently fuming because the clouds had made me miss the videos of the strongest M-class flare…
Everything seemed to be calming down, but to my great surprise, in just one minute or so the activity exploded on my screen. I couldn’t believe it — it was enormous!
Equipment:
Cosmos 150 mm refractor with a 160 mm front-mounted ERF solar filter, Quark Chromosphere, and a Player One Saturn-M SQR camera.
Software:
FireCapture for raw captures,
GOES-SunGun for disk management, Autostakkert 4,
SER_TOOLS to remove small dust particles present on the sensor,
SolarGun for colorization and Earth scale overlay (Sun, R = 138), and IrfanView for the final presentation.
The animation and all details will be available soon on my website: http://sweiller.free.fr/
Photographer's website:
https://http://sweiller.free.fr/
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