Sun in h-alpha (Ellerman Bombs)
Taken by Richard Schrantz on October 13, 2025 @
Nicholasville, Kentucky, USA
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Details:
Here are two sunspot groups from this morning in h-alpha and blue-wing h-alpha (showing Ellerman Bombs). 127mm f/9.4 refractor, Quark-C/Lunt 40mm double-stack filter, ASI174mm camera. The Quark only was used for the blue-wing shot. I simply unplugged it and watched as the view started to go off-band blue. At the right moment, I recorded the video.
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