Sun Full Disk Ha
Taken by Stefano Sello on December 6, 2025 @
Ceretolo (PR), Italy
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Details:
Many interesting chromospheric features are visible today on the solar disk. Giant sunspot complex 4294-4296 dominates the active regions and some beautiful prominences are visible too.
To better appreciate these huge features we uploaded an animated gif file showing a proper overimposed ruler.
Details: Solarview SV60 Ha solar telescope and equipped with a SKYnyx 2.2M CCD camera. 08:32 UT. Fair Seeing Conditions.
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