Pascal Hilkens Astro Page
Personal blog to promote (solar) astronomy and other related sciences.
Pascal Hilkens Astro Home Page
Pascal Hilkens Astro Home Page
WHO AM I?
Usefull Links
Solargraphy
Helios Astronomy Club
Friday, June 26, 2026
Reworked Sunspot AR4478
Reworked Sunspot AR4478 using AstroSurface with IMPPG and CS4.
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