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
Monday, October 9, 2017
Spotless Sun
Since yesterday we have again a spotless sundisk. This year we already counted 50 days without a sunspot.
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