Large sunspots
Taken by Stuart Green on July 19, 2016 @
Preston, Lancashire, UK
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Details:
Active regions AR2565 and 2567 are looking spectacular in all wavelengths, but especially hydrogen alpha as shown in this image captured from my garden here in Preston, Lancashire, UK. Image captured using a 150mm solar telescope operating at f35, fitted with fine tuned double-stacked etalons to capture fine detail.
Photographer's website:
http://https://www.flickr.com/photos/solarcarbon60/
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