IndiaAIFounders — Every coronal mass ejection NASA has catalogued since 2016, plotted at its launch point on an unrolled Sun (6,577 of them)

Every coronal mass ejection NASA has catalogued since 2016, plotted at its launch point on an unrolled Sun (6,577 of them)

September 19, 2026 at 06:41 PM

Each dot is one coronal mass ejection at the latitude and longitude it launched from, sized by speed. The lit middle is the half of the Sun facing Earth at the moment of launch; the darker edges are the far side, which we see thanks to STEREO-A. Ten years of eruptions fill the middle latitudes and leave the poles almost empty, which is where the active regions live.

Source: NASA's DONKI catalog, cone-model fits, 2016 to September 2026. I made it for a free solar storm tracker I run; the page with the butterfly diagram and one Sun per year is https://www.cmetracker.ai/launches?utm_source=space

Happy to answer questions about how CMEs are tracked from launch to arrival.

submitted by /u/oldschoolscreenname
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