Sun in h-alpha/calcium-H (spectroheliogram)
Taken by Richard Schrantz on June 27, 2024 @
Nicholasville, KY USA
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Details:
Here are a couple spectroheliograms (h-alpha and calcium-H) from today in good conditions. Lots of detail at full resolution on a large monitor. 102mm f/7 spectroheliograph, ASI183mm camera. Calcium stopped to 72mm.
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