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Issued on 2024 Nov 13 1256 UTC
A halo coronal mass ejection (CME) was automatically detected at 13:48 UTC on November 12 by the SIDC/Cactus tool based on SOHO/LASCO-C2 coronagraph imagery. This halo CME is actually the result of two different events. The first is the eruption of one of the largest filaments in the northwest quadrant of the Sun. This filament eruption may have been associated with or triggered the C8.2 flare, which peaked at 14:01 UTC on November 12 (SIDC Flare 2599), produced by SIDC Sunspot Group 302 (NOAA Active Region 3879), currently located at longitude 95 degrees and latitude 16 degrees. Due to the filament's source location and the northwest direction of the associated ejection, no Earth-directed impact is expected. The second event was a small ejecta in the southwest, with no clear source on the disk, suggesting it may be a backside event. So far, the other filaments remain stable, and no Earth-directed CMEs have been detected in the available coronagraph imagery over the past 24 hours.