Sun in h-alpha, calcium-H (spectroheliogram)
Taken by Richard Schrantz on April 18, 2024 @
Nicholasville, KY USA
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Details:
Here is the sun in h-alpha and calcium-H from my homemade spectroheliograph based on a 102mm f/7 refractor. Pentax Takumar 150mm f/4 collimating and camera lenses, 12mm x 9 micron slit, ASI183mm camera. Make sure and view at full resolution on a larger desktop monitor of possible. You will have to pan around the h-alpha image.
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