AR1216 sunspot v2

he-1-f10-2-8b1f1c8


Piotr Maliński

Warszawa, Poland

C11, HEQ5 SynScan, Basler Ace 640-100gm, 590nm narrowband “He-I” filter, Baader Astrosolar ND 5.0

Using the “planetary” Basler camera I could use very short exposures around 12ms with very low gain. That allowed me to capture such sharp and detailed sunspot.

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