Sun in h-alpha/calcium-H (Spectroheliogram)
Taken by Richard Schrantz on May 3, 2026 @
Nicholasville, Kentucky, USA
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Here is the sun from this morning recorded in h-alpha and Ca-H with a 102mm f/7 spectroheliograph. ASI183mm camera. The seeing was darn good! I also attached a Ca-H vs. h-epsilon prominence.
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