Star just exploded in the sky – and YOU can see the supernova tonight

A STAR has just gone into supernova and there’s a chance you’ll be able to see the explosion in the night sky.

An amateur astronomer detected the death of the star near the constellation of Cassiopeia.

The supernova, shown in green, was spotted by an amateur astronomerCredit: Yuji Nakamura/NAO

The bright light of the exploding star apparently wasn't visible until last week — The bright light of the exploding star apparently wasn’t visible until last weekCredit: Yuji Nakamura/NAO

According to the Astronomers Telegram, the supernova was first detected on March 18 by amateur astronomer Yuji Nakamura who viewed it from Japan.

The stargazer noticed a significant glow in a region that previously didn’t have one.

This was then reported to the National Astronomical Observatory of Japan and scientists confirmed the extraordinary find.

A telescope at Kyoto University was used for more observations.

Massive stars can explode in their last evolutionary stagesCredit: Getty

Supernova’s are very unpredictable so observing one that’s just happened is rare.

The good news is if you live in a country in the Northern Hemisphere, like the US or UK, you should be able to spot the exploding star with a small telescope.

You’ll need to locate the Cassiopeia constellation in the northern sky.

The constellation is named after the vain queen Cassiopeia mentioned in Greek mythology.

It looks like an ‘M’ or a ‘W’ depending on what time you’re viewing it.

Look to the northwest at nightfall and you should see the constellation on Cassiopeia looking like a ‘W’ pattern made up of 5 stars.

You need to locate a star called Caph which is to the bottom right and at the very end of the constellation when it’s in the ‘W’ pattern.

The supernova, which has been called V1405 Cas, is slightly up and to the right of Caph.

It’s exact coordinates for big astronomy fans are right ascension 23 24 47.73, declination +61 11 14.8.

What is a supernova?

Here’s what you need to know…

A supernova is a powerful and bright stellar explosion
It occurs during the last evolutionary stages of a massive star, or when a white dwarf goes into runaway nuclear fusion
The original object collapses into either a neutron star or black hole, or is completely destroyed
The “peak luminosity” of a supernova is comparable to an entire galaxy, before fading over several weeks or months
Just three naked-eye supernova events have been observed in the Milky Way during the last thousand years
The most recent of which was Kepler’s Supernova in 1604
A supernova remnant is the structure resulting from the explosion of a star in a supernova
It is bounded by an expanding shock wave
And it’s made from ejected material expanding from the explosion, and interstellar material it sweeps up along the way

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