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
Sunday, December 3, 2017
Solargraph
All you need to make your own pinhole camera from a ordinary (beer)can creating solargraphs.
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