Witnessing the Northern Lights (also known as the Aurora Borealis) is on many people's bucket lists, but it's also a severely expensive one. And after shelling out all that money to get the northernmost parts of Norway, Finland, Sweden, Iceland or Canada, there's no actual guarantee the visibility will be good enough to actually see them.
However, there is a cheaper way to - maybe - see them, which is right here in the UK tonight, reports the Sun.
It was only back in February that they were last visible over here - so if you missed that, then here's another chance.
According to the US National Oceanic and Atmospheric Administration (NOAA), the Aurora Borealis will be visible because of a coronal mass ejection (or CME) reaching our planet.
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More commonly known as a solar flare, a CME is a release of plasma that hits the Earth's magnetic field, causing the vast green belt that is the Northern Lights to shimmer in the night sky.
Of course, it's not as simple as stepping out onto the road or into your back garden. To have the best chance of seeing them, you should ideally be in northern Scotland.
Jonny Cooper, founder of Off the Map Travel, told the Sun: "You just never know what can happen with the Northern Lights and with news like this, I would recommend anyone in Scotland and Northern England to keep an eye on the sky."
If you can't get to Scotland, the phenomenon may also be visible in the north/north east of England.
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Whether you can make it there or not, you should also be somewhere with as little light pollution as possible - so get out of town and city centres and away from streetlights.
At the same time, this is one of the greatest natural phenomenons in the whole word, so while we can't condone skipping work in the morning to watch it, this is a pretty spectacular affair.
If, that is, they're at all visible. But just in case they are, we know what we're going to do...
Featured Image Credit: PA