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Innovation in all-sky imaging technology improves upper atmosphere monitoring, indicating enhanced data collection methods.
Modernization of sensitive all-sky imagers is important to continue to improve monitoring of the upper atmosphere. We developed a new compact all-sky imager called TPI (triple pass imager), combining a multi-band-pass filter and a commercial RGB sensor to obtain three-wavelength images at once. We describe the basic concept and performance, showcasing example data obtained during the magnetic storm event on November 12, 2025 at Poker Flat Research Range, Alaska.
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Kataoka et al. (2026) studied this question.
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