Pascal Hilkens Astro Page
Personal blog to promote (solar) astronomy and other related sciences.
Pascal Hilkens Astro Home Page
Pascal Hilkens Astro Home Page
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Solargraphy
Helios Astronomy Club
Thursday, March 26, 2026
Sunspot AR4392 March 22
Inverted image of H-alpha spectrum of the Sun from last Sunday March 22, 2026. Crop from AR4392.
Picture made using SolEx with ASI678MM on TLAPO80/480.
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