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Ca II K solar activity 30 Dec 2021
Managed to find a cable combo which would give me 150 fps with the MiniSHG.
Today's disk shows all the prominent AR's, sunspots and filaments.
The "protus" image shows the large and bright prom.
(Using a W47 + Astronomik L1 UV-IR + 1mm exit slit to suppress the background.)
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