Sun in h-alpha (Spectroheliogram)
Taken by Richard Schrantz on September 15, 2026 @
Nicholasville, Kentucky, USA
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Details:
Here is the sun in h-alpha from this morning imaged with a 102mm f/7 spectroheliograph. ASI183mm camera. The seeing was just OK, but not good or great. The small spots are about to rotate off the edge with nothing behind them. We are getting further and further away from solar max.
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