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

Sun in h-alpha/calcium-H (Spectroheliogram)
Taken by Richard Schrantz on July 13, 2025 @ Nicholasville, Kentucky, USA

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Here are h-alpha and calcium-H spectroheliograms from this morning. 102mm f/7 SHG, ASI 183mm camera. Calcium image stopped down to 72mm.

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