Birdwatch Note Rating
2024-03-09 19:28:47 UTC - HELPFUL
Rated by Participant: E48E44E522EDE22C361E1A0C6F2E681CE66720FA384A543C0D1D9F2CF67F47E6
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Original Note:
This is a solar continuum filter, so, unsurprisingly, it looks totally different to the professional image through an H-alpha filter. https://luntsolarsystems.com/observing-the-sun-in-white-light-vs-hydrogen-alpha/ The dark spots are sunspots. They are not always in the same locations. Their physics is fairly well understood. https://en.m.wikipedia.org/wiki/Sunspot
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