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Orionid meteor shower to peak in UK skies this week

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Orionid meteor shower to peak in UK skies this week

Image source, Getty Images
ByElizabeth Rizzini

Lead Weather Presenter
  • Published

The Orionid meteor shower, which is capable of producing bright fireball meteors, is set to peak in UK skies this week.

While it has been active for most of October, the celestial spectacle will be at its best in the early hours of October 22.

Clear skies permitting, skygazers could be able to spot as many as 10-20 meteors per hour.

Where the weather is less cooperative, there will still be chances to catch a glimpse of the shower until 7 November.

Where do the Orionids come from and how can I watch them?

The Orionids are an annual meteor shower caused by debris left by Halley’s comet in its journey around the Sun.

Every year, Earth passes through the comet dust and the debris burns with the friction caused by the atmosphere, creating a bright streak of light through the sky.

The Orionids are fast and bright, entering our atmosphere with speeds of around 41 miles per second. They can often produce long glowing trails and fireballs.

To spot them, find a dark spot with wide open skies, away from city light pollution and let your eyes adjust to the night sky for 20 minutes.

The meteors are visible to the naked eye so you won’t need any specialist equipment like binoculars or a telescope.

The meteors will appear to originate from the constellation of Orion, near the red supergiant star Betelgeuse. This is known as the radiant.

Between midnight and dawn the constellation will climb higher in the sky to the south and then the south-west.

It is best to view the meteors slightly away from the radiant as they will be more visible.

Unfortunately, the Moon will be in the waxing gibbous phase on the night of the 21 October, throwing extra light into the night sky and reducing visibility.

However, conditions will improve once the Moon sets around 03:00 BST on Thursday morning.

What is the forecast for the peak?

A map of the UK showing cloud and rain in the far south and north-east with long clear spells elsewhere for Thursday morningImage source, BBC Weather

Meteor showers are best seen in cloudless skies. Unfortunately for skywatchers, this week looks to be the wettest and windiest week so far this autumn with a strengthening jet stream propelling low pressure systems across the UK.

All is not lost, however.

While Wednesday is looking wet and windy for many parts of the UK, a brief ridge of high pressure could mean that there is a chance of clear spells for many parts of England, Wales and Northern Ireland for the second half of the night into Thursday morning.

There may also be some clear skies for a time for western Scotland.

Eastern Scotland looks cloudy and wet with a lingering front and the far south coast of England could also see outbreaks of rain.

Keep an eye on the latest forecast here or on the BBC Weather app.

Disclaimer : This story is auto aggregated by a computer programme and has not been created or edited by DOWNTHENEWS. Publisher: newsrss.bbc.co.uk