Sun in h-alpha/h-beta/calcium-K (Spectroheliogram) Taken by Richard Schrantz on August 22, 2026 @
Nicholasville, Kentucky, USA
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Here is the sun from this morning in h-alpha, h-beta, and calcium-K. 102mm f/7 spectroheliograph (calcium stopped to 72mm). ASI183mm camera. Good seeing.