Sun in h-alpha
Taken by Richard Schrantz on May 28, 2024 @
Nicholasville, KY USA
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Here are a few solar images in h-alpha from today. The best spot complex on the sun is 3691/3695. But, "new" sunspot 3697 (was the infamous 3664) is just emerging around the solar limb. And, sunspots 3685/3686 are just departing the solar limb. Sunspot 3685 shows the cool effect where the umbra seems like it in a depression. 127mm f/9.4 refractor, Quark-C/Lunt 40mm double-stack filter, ASI174mm camera.
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