Sun in h-alpha/calcium-H (spectroheliogram)
Taken by Richard Schrantz on June 22, 2024 @
Nicholasville, KY USA
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Details:
The air was calm and the seeing was good this morning for imaging with the 102mm f/7 spectroheliograph. Here are 2 images (h-alpha and calcium-H). The effective bandpass (0.1 A) of the SHG allows the calcium image to show filaments well. ASI183mm camera.
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