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X5.1 solar flare, G4 geomagnetic storm watch

(www.spaceweatherlive.com)
391 points sva_ | 1 comments | 11 Nov 25 21:18 UTC | HN request time: 0.23s | source
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PetitPrince ◴[12 Nov 25 08:49 UTC] No.45897846[source]▶
The Swiss Weather Office official app has a crowdsourced photo gallery:

https://www.meteosuisse.admin.ch/services-et-publications/ap...

Look at the pictures from 3AM onwards on the 12 of November: you'll have a nice overview of how the aurora looked like from Switzerland (it's a time sensitive app and they certainly don't keep the pictures forever).

replies(3): >>45898174 #>>45899487 #>>45901206 #
1. dotancohen ◴[12 Nov 25 09:36 UTC] No.45898174[source]▶
The curvature of the Earth can be deducted from those photos on the map! It is clear to see the aurora completely above the horizon in the Northern Swiss photos, and straddling the horizon in the photos from the south.