- CME Evolution in the Structured Heliosphere and Effects at Earth and Mars During Solar Minimum

Overview of the 2018 August 20 eruptions from remote‐sensing solar disc imagery. (a) Pre‐eruptive configuration on the solar disc. The erupting S‐shaped structure (“S”) and filament (“F”), as well as the two nearby coronal holes (“CH1” and “CH2”) are labeled. (b) and (d) Zoomed‐in images of the erupting sigmoid (CME1) and filament (CME2), respectively. (c) and (e) Base‐difference images of the sigmoid and filament eruptions, respectively, with magnetogram data saturated to ±100 G overlaid (red = positive, blue = negative). The approximate eruption footpoints are indicated with green circles in both panels.

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Reference

CME Evolution in the Structured Heliosphere and Effects at Earth and Mars During Solar Minimum - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/Overview-of-the-2018-August-20-eruptions-from-remote-sensing-solar-disc-imagery-a_fig1_363678818 [accessed 30 Jun, 2024]

Caption

Overview of the 2018 August 20 eruptions from remote‐sensing solar disc imagery. (a) Pre‐eruptive configuration on the solar disc. The erupting S‐shaped structure (“S”) and filament (“F”), as well as the two nearby coronal holes (“CH1” and “CH2”) are labeled. (b) and (d) Zoomed‐in images of the erupting sigmoid (CME1) and filament (CME2), respectively. (c) and (e) Base‐difference images of the sigmoid and filament eruptions, respectively, with magnetogram data saturated to ±100 G overlaid (red = positive, blue = negative). The approximate eruption footpoints are indicated with green circles in both panels.

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<a href="https://www.researchgate.net/figure/Overview-of-the-2018-August-20-eruptions-from-remote-sensing-solar-disc-imagery-a_fig1_363678818"><img src="https://www.researchgate.net/publication/363678818/figure/fig1/AS:11431281172926750@1688718031580/Overview-of-the-2018-August-20-eruptions-from-remote-sensing-solar-disc-imagery-a.png" alt="Overview of the 2018 August 20 eruptions from remote‐sensing solar disc imagery. (a) Pre‐eruptive configuration on the solar disc. The erupting S‐shaped structure (“S”) and filament (“F”), as well as the two nearby coronal holes (“CH1” and “CH2”) are labeled. (b) and (d) Zoomed‐in images of the erupting sigmoid (CME1) and filament (CME2), respectively. (c) and (e) Base‐difference images of the sigmoid and filament eruptions, respectively, with magnetogram data saturated to ±100 G overlaid (red = positive, blue = negative). The approximate eruption footpoints are indicated with green circles in both panels."/></a>