By Christoph Stopka | 2026-01-16
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facing sunspots
On 01/17/2026 09:54 am by Patricio Leon | Santiago, Chile
two principal sunspots plus two accessory ones make a fine arrangement in the solar face, the biggest one, AR4341, can be seen already with protected eye alone. There have been no energetic sunspots so far; the solar wind speed stays high due to a big coronal hole facing Earth
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C