what are the chances that I witnessed the Northern Lights in southern Italy in 2019

Hi guys, I’m writing this message 4 years after the event because after the news of yesterday’s northern lights with the related photos I immediately remembered something that happened to me and two other friends. It was May 3, 2019 and while we were walking along the street at around 11pm the sky turned a very strong bright red and the whole phenomenon lasted for 4-5 minutes (while before it was perfectly black), I attach a photo.

Honestly, we were never able to explain what we saw, also because there was nothing on the internet.

And also I think never in history Northen light were on south italy.

Is it possible that we have witnessed a phenomenon of this type?

Other explanations?

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https://preview.redd.it/c8tmkfrfyqyb1.png?width=640&format=png&auto=webp&s=9c1a2349e75aa682248129d81a0de22482391dab