Birdwatch Note Rating
2024-03-10 22:47:45 UTC - HELPFUL
Rated by Participant: 575FB9EA6254D11C8EBF90710D5E3DA9A3C04850F0D1BA8431142961C40FF12F
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Original Note:
You need a hydrogen-alpha filter(H-alpha). H-alpha filters pass a narrow wavelength of light centered on the H-alpha emission line of hydrogen (656.28 nm), This wavelength is where solar flares, filaments, prominences, and other dynamic features are more visible. https://www.astronomy.com/science/how-to-choose-a-hydrogen-alpha-filter/
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