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
Sunday, March 19, 2017
More spectra using DIY spectroscope.
More spectra made using my DIY spectroscope and pictures taken using iPhone 6.
Spectrum of candle light
Spectrum of halogen light
Spectrum of fluorescent light
Spectrum of both candle light (bottum) and red laser light (top)
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