Meteor shower

Orionids 2027: when and where to see them

The Orionids peak on the night of 21–22 October 2027. Under a dark sky you could see up to 20 meteors an hour.

Is it clear for the Orionids tonight? Check your sky
Peak night
21–22 October 2027
Meteors an hour (ZHR)
up to 20
Best time
after midnight
Moon
57% lit
Radiant
Orion
Speed
66 km/s

The Moon this year

The Moon is 57% lit and up for most of the night. It will hide the fainter meteors, so expect fewer than usual and look away from it.

About the Orionids

The Orionids are the second shower from Halley's Comet each year. They are fast, and some leave trails that glow for a few seconds. The radiant, above Orion's raised arm near Betelgeuse, rises late in the evening, so the hours after midnight are best.

Where to look

The meteors seem to fly out of a point in Orion, the radiant, but they can appear anywhere in the sky. Look about halfway up, at a wide area of sky away from the Moon and street lights, and give your eyes 20 minutes to adjust to the dark.

How to watch

  • Get away from town lights if you can. A dark sky shows several times as many meteors.
  • Lie back on a mat or a reclining chair, so you can watch a big piece of sky without craning your neck.
  • Keep your phone away, or use a red screen: one glance at a bright screen undoes your night vision.
  • Dress warmly and be patient. Meteors come in bursts, with quiet spells in between.
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Quick answers

When is the best time to see the Orionids?

On the night of 21–22 October 2027, after midnight, from somewhere dark. The shower is active for several nights around the peak, so the nights either side are worth a look too.

How many Orionids meteors will I see?

The rate at the peak is about 20 an hour under a perfect, dark sky with the radiant overhead. In practice expect a third to half of that, and fewer from a town or with the Moon up.

Do I need a telescope or binoculars?

No. Meteors are best with your eyes alone: they flash across a wide area of sky, far too fast for a telescope. Lie back and take in as much sky as you can.

Where do the Orionids come from?

They are dust from Halley's Comet (1P/Halley). Earth runs through its trail of debris at the same time every year, and the grains burn up about 100 km above us at 66 km/s.

Questions or ideas?

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