Sun in h-alpha (spectroheliogram)
Taken by Richard Schrantz on January 21, 2024 @
Nicholasville, KY USA
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Here is an h-alpha spectroheliogram from this morning. The wind was calm and the temperature this morning in Kentucky was 10 degrees F while imaging.....a lot warmer than yesterday! And, the sun cannot warm the ground and cause heat waves if there is snow cover! So, the seeing was not bad. 80mm f/5 stopped to 70mm, Sol'Ex SHG, ASI178mm camera.
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