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
Wednesday, May 10, 2017
Spectrum of the Sun using DIY spectroscope
Clear sky with a bright sun ... so time to take the sun's spectrum using my DIY spectroscope.
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