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Camera Images Aurora Hyperspectrally

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SVALBARD, Norway, Nov. 29, 2012 — The first-ever hyperspectral pictures of the aurora borealis, or northern lights, revealed a previously unknown atmospheric phenomenon. The Norusca II hyperspectral camera was tested in late January at the Kjell Henriksen Observatory, where it imaged a major solar flare that jettisoned a burst of high-energy particles known as a coronal mass ejection (CME). This new phenomenon produced magnificent auroras—nature’s celestial fireworks—when it eventually slammed into the Earth’s magnetic field. “Our new all-sky camera opens up new frontiers of discovery...Read full article

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    Published: November 2012
    Glossary
    hyperspectral imaging
    Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the electromagnetic spectrum. Unlike traditional imaging systems that record only a few spectral bands (such as red, green, and blue in visible light), hyperspectral imaging collects data in numerous contiguous bands, covering a wide range of wavelengths. This extended spectral coverage enables detailed analysis and characterization of materials based on their spectral signatures. Key...
    multispectral imaging
    Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within the electromagnetic spectrum. Unlike hyperspectral imaging, which acquires data across a continuous range of wavelengths, multispectral imaging is characterized by capturing information at several specific, predefined bands. This allows for the extraction of spectral signatures and information from different parts of the spectrum. Key aspects of multispectral imaging...
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    spectral signature
    A spectral signature, in the context of remote sensing and spectroscopy, refers to the unique pattern or characteristic spectral response of a material or object across different wavelengths of the electromagnetic spectrum. Each material interacts with electromagnetic radiation in a specific way, leading to distinctive absorption and reflection patterns at different wavelengths. Analyzing these patterns forms the basis of spectral signature identification. Key points about spectral...
    atmospheric behavioratmospheric phenomenonaurora borealisaurorascamerasCMEcoronal mass ejectionEarthenergyEuropeFred Sigerneshyperspectral camerahyperspectral imagingImagingKHOKjell Henriksen Observatorymultiple spectral bandsmultispectral imagingnorthern lightsNorusca IINorwayphotonicsResearch & Technologysky emissionsspectral signaturespectroscopySunUNISUniversity Centre in Svalbardwavelengths

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