Visibility IV / V
Over the early summer, I built Sol’Ex spectral heliography according to Christian Buil’s instructions . The device can capture the sun at any wavelength of visible light. Attached is an image of the chromosphere of the sun this morning in the light of the H-alpha wavelength (656 nanometers).
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Hatunnoston arvoinen suoritus, kylläpä on 2020-luvun aurinkokuvaus Suomessa hyvällä tasolla!