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Possible aurora causing sunspot group 1185


Roel
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Sunspot group 1185 is the one that caused the X2 flare that might give us some northern lights tonight! I sketched the group this afternoon with graphite pencil on white paper through my 120mm f/5 achromat using a glass objective filter. The magnification was 75x (Vixen LVW 8mm). I later scanned the sketch and gave it a yellowish tint like the view through the solar filter.

I hope its shockwave will give us a nice light show tonight. Though chances are small, I can at least say I enjoyed looking at the sunspot group that caused all the excitement today!

Vanavond missschien poollicht zichtbaar door zonnevlekkengroep 1158! Roelblog

Edited by Roel
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