AR4478 in UV
Taken by Francois Rouviere on June 27, 2026 @
Cannes, France
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Camera Used: Unavailable Unavailable
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Details:
This utltraviolet view of the big sunspot AR4478 was taken at 7h59 UT with a 210 mm uncoated Newtonian telescope, x2.7 APM Barlow lens and Baader "K-line" filter. No detail was seen inside the large sunspot umbras.
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No URL provided.
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