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Radu Anghel
Romania
Romania
09/10/2022
05:00 pm
05:00 pm
ED100 f/9 + ccd + solar filter
AS!, Registax, PS
The Sun today. With six small active regions.
But talking about sunspots... did you know that the earliest written record of sunspot observations goes back to 800 BC, being mentioned in the Chinese astronomical chronicles I-Ching (Book of Changes)?
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