Sun In H-alpha/calcium-H (Spectroheliogram)

Sun in h-alpha/calcium-H (Spectroheliogram)
Taken by Richard Schrantz on April 16, 2025 @ Nicholasville, Kentucky, USA

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Here are 2 spectroheliograms of the sun from this morning in h-alpha and calcium-H. 102mm f/7 spectroheliograph. The seeing was good.

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