Sun in h-alpha (spectroheliogram)
Taken by Richard Schrantz on April 23, 2024 @
Nicholasville, KY USA
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Details:
Although it was windy out today, I recorded an h-alpha spectroheliogram. It turned out better than I expected! 102mm f/7 SHG, Takumar 150mm f/4 collimating & camera lenses, 12mmx9 micron slit, 2400 groove/mm diffraction grating, ASI183mm camera.
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