Sun in h-alpha/h-beta/calcium-H (spectroheliogram)
Taken by Richard Schrantz on June 6, 2024 @
Nicholasville, KY USA
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Details:
Here is the sun today in h-alpha, h-beta, and calcium-H taken with a 102mm f/7 spectroheliograph. Calcium image stopped down to 72mm. ASI183mm camera. The seeing was not great just behind a passing cold front.
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