Auroral alert version 1.0: two-step automatic detection of sudden aurora intensification from all-sky JPEG images

<p>A sudden and significant intensification of the auroral arc with expanding motion (we call it “local-arc breaking” hereafter) is an important event in many aspects but easy to miss for real-time watching due to its short rise time. To ease this problem, a real-time alert system for local-a...

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Bibliographic Details
Main Authors: M. Yamauchi, U. Brändström
Format: Article
Language:English
Published: Copernicus Publications 2023-04-01
Series:Geoscientific Instrumentation, Methods and Data Systems
Online Access:https://gi.copernicus.org/articles/12/71/2023/gi-12-71-2023.pdf