A flare in AR4172
Taken by Francois Rouviere on August 10, 2025 @ Cannes, France
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Some instants of good seeing in spite of the midsummer heat this morning. The region AR4172, near the disk center, was imaged at 7h09 UT with a Celestron 8 solar telescope and Solar Spectrum 0.3A H alpha filter. North is up, West on the right.
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