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Ursa Astronomical Association
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Ursa Astronomical Association

Sun - 26.6.2022 at 11.15 Helsinki Observation number 107374

Visibility IV / V

Samuli Vuorinen, Kirkkonummen komeetta

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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  • Observation target
    • Sun
Technical information

Self-built Sol'Ex spectral heliograph with Canon EF 300 / 4L optics and ZWO ASI290MM Mini camera.

Comments: 1 pcs
Petrus Kurppa - 28.6.2022 at 00.29 Report this

Hatunnoston arvoinen suoritus, kylläpä on 2020-luvun aurinkokuvaus Suomessa hyvällä tasolla!

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