Sun in h-alpha
Taken by Richard Schrantz on June 16, 2023 @
Nicholasville, KY USA
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Camera Used: Unavailable Unavailable
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Details:
Imaging the sun was quite difficult again today due to heavy Canadian wildfire smoke over Kentucky. I had to double my normal exposure to a whopping 33 milliseconds and increase the gain a lot! Yuck. Still, sunspot groups 3335 & 3336 looked good. Reduced image to 70% of original size. 127mm f/9.4 refractor, Quark/Lunt double-stack filter, ASI174mm camera.
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