If possible, look for a decent observing point with an unobstructed view of the northwest to northeast horizon
The further up north you live, the more light you will have to contend with.
On May 12, Comet SWAN made its closest pass of Earth when it came within 0.575 astronomical units or 53.4 million miles (85.6 million km).
At the time, the comet was crossing the constellation Pisces but has moved across Triangulum and entered Perseus by May 18.
Dr Robert Massey, deputy executive director of the Royal Astronomical Society, said: “With the help of a pair of binoculars, you should be able to pick it out low in the northwestern sky after sunset.