Comet Neowise will be visible from the UK tonight as it travels across our solar system for the first time in about 4,500 years.
The comet was first observed back in March of this year, and will be visible all month. It will not reappear for another 6,800 years, making this an incredibly rare and unique viewing opportunity for astronomers in the Northern Hemisphere.
The comet will be visible between now and 31 July. On 23 July it will be passing Earth from about 64 million miles.
Experts say that for your chance of seeing the comet, avoid areas that have high levels of light pollution from streetlights, houses or cars. Find somewhere where you have an unobstructed view of the horizon, and just after sunset look beneath the Big Dipper in the Northwest sky.
While it is suspected that the comet will be visible without equipment, binoculars will increase your chances of catching a glimpse of the rare sight.
According to the Royal Astronomical Society, it is critical you have an unobstructed view of the horizon when attempting to see the comet.
Look out for the comet, and its two tails - one of gas and one of duty debris - that will be lit up by the setting sun.
These fantastic photos of the comet last Sunday were sent to us by Adam Simpkins - he said : "The last comet I saw was Hale-Bopp back in 1997 when I was 10 years old. I always remember me and the old man standing in the garden gazing up at the sky in amazement, and I'll remember that for the rest of my life."