Solstice Sun in h-alpha/calcium-H (Spectroheliogram)
Taken by Richard Schrantz on June 20, 2025 @
Nicholasville, Kentucky, USA
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Camera Used: Unavailable Unavailable
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Details:
Here are summer solstice spectroheliograph images of the sun in h-alpha and calcium-H. There were a couple nice sunspots and a nice long filament! 102mm f/7 SHG, ASI183mm camera. Calcium image stopped down to 72mm.
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