bn:00206648n
Noun Concept
Categories: Sun, Astronomical instruments, Sun stubs
EN
spectroheliograph
EN
The spectroheliograph is an instrument used in astronomy which captures a photographic image of the Sun at a single wavelength of light, a monochromatic image. Wikipedia
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EN
The spectroheliograph is an instrument used in astronomy which captures a photographic image of the Sun at a single wavelength of light, a monochromatic image. Wikipedia
An instrument that produced monochromatic photographs of the sun using light at a selected wavelength. Wiktionary
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