PinoAstro demonstrates that the democratization of heliophysics relies less on professional-grade optics and more on the disciplined persistence of the amateur observer. This daily record successfully bridges the gap between high-level solar science and accessible public data.
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Sun, May 21, 2026- Telescope: Seestar S50 #PinoAstro本站添加:
This is a quick look at the Sun on May 21st, 2026 looking through my SeeStar S50 smart telescope. Today, the sunspot number was 67. Here you can see a few large active regions. These include AR4441, 43, 39, and then 44 over here. This is brand new, just rotated in. That is the eastern limb there.
Here you can see the stacked image.
Pretty nice.
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