Sunny Aurora ?
I guess that an Aurora may be visible at dawn or dusk, but I had an alert:
11th August 2024 3:00pm
Aurora is likely to be visible from Scotland, northern England and Northern Ireland
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Right now it is very sunny: my light meter app says 300-400 thousand Lux
- that is a thousand times as bright as it is indoors.
Actually, if I read the aurora alert site's FAQ they do explain why they issue alerts in the daytime.