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

Sun in h-alpha/calcium-H (Spectroheliogram)
Taken by Richard Schrantz on July 4, 2025 @ Nicholasville, Kentucky, USA

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Here is the sun this morning in very good seeing recorded using my 102mm f/7 homemade spectroheliograph. h-alpha and calcium-H. ASI183mm camera.

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