The Perseid meteor shower, one of the most stunning meteor showers in 2024, is currently in full swing and offering a breathtaking display of fast, bright shooting stars streaking across the night sky.

As we move closer to the middle of August, the excitement is set to increase. During the peak of the shower, if conditions are favorable, you could witness up to 100 meteors per hour, some of which might even turn into fiery fireballs.

Unlike other meteor showers this year, the moonlight is not expected to overshadow this magnificent event. Although the waxing crescent moon will be visible as we near the peak, it will have set below the horizon by the time meteor activity intensifies.

For a comprehensive list of meteor showers throughout the year, check out our meteor shower calendar. If you’re interested in astrophotography but unsure where to begin, expert Pete Lawrence has put together a beginner’s guide on capturing amazing photos of the moon.

When is the Perseid meteor shower in 2024?

The Perseid meteor shower will commence on July 17, 2024, and extend until around August 24. The optimal viewing time for the meteors is from midnight until dawn.

The peak of the meteor shower is expected on August 12, with increased meteor activity around this period. Since the peak occurs during the daytime, the best times to observe the Perseids are before and after the peak, specifically on the nights of August 11/12 and August 12/13.

You’ll have the best visibility between midnight and just before sunrise (around 5:30 am in the UK, 6 am in New York, and Los Angeles).

How many meteors can you see?

The Perseids are known for being one of the most active meteor showers of the year, but it doesn’t mean there will be a constant stream of meteors to observe. Most images capturing numerous meteors are the result of long exposure shots that can capture dozens, or even hundreds, of meteors in a single frame.

Under ideal conditions and dark skies, you could potentially see up to 100 meteors per hour. However, in reality, you’re likely to witness far fewer, possibly only a few dozen per hour. Nonetheless, the Perseid meteor shower remains a spectacular event.

Where to look in the sky

The most favorable direction to observe the Perseid meteor shower is directly overhead. Aim to have as much of the sky in your field of view as possible, as the meteors will traverse the entire sky and won’t be confined to a specific location.

It can be useful to know the radiant point, as it helps differentiate the Perseids from sporadic meteors. The radiant point of a meteor shower appears to be the origin of the meteors.

In the case of the Perseid meteor shower, the radiant point is within the constellation Perseus, hence the name “Perseid meteor shower.”

If you look towards the northeast early in the morning, you’ll spot the constellation Perseus positioned directly above the bright Jupiter. Taurus is situated to the right of Jupiter, and you might even catch a glimpse of Mars nearby.

Since the sun rises in the east, facing in that direction and slightly turning left will have you looking towards the northeast. However, don’t worry if you’re unsure of the direction – meteors can appear anywhere overhead.

Perseus lies between the prominent “W” of Cassiopeia and the Pleiades star cluster. If you’re having difficulty locating the radiant point, an astronomy app can assist you (check out our recommended astronomy apps).

* The closest conjunction of Mars and Jupiter is set to occur on August 14, 2024. This will be the closest conjunction of the two planets until 2033, potentially offering an extraordinary sight alongside the Perseid meteor shower.

What causes the Perseid meteor shower?

Meteor showers manifest when a parent object (typically a comet or asteroid) leaves behind a trail of debris in its path around the Sun. As Earth intersects with this debris stream, the particles interact with the atmosphere, creating luminous streaks known as shooting stars.

Regular meteor showers like the Perseids follow a predictable pattern, occurring at the same time each year and peaking when Earth’s orbit intersects with the densest part of the shower.

According to astronomer David Schneider, “As Earth passes through the debris stream, the density of particles increases to a maximum and then decreases again. This usually takes a few weeks, but can also take a few days. The meteor shower peaks during the period of maximum density.” Presenter Pete Lawrence further elaborates.

In the case of the Perseids, Comet Swift-Tuttle serves as the parent body, which is a sizable comet composed of dust, ice, and rock. With a nucleus diameter of approximately 26 kilometers (about 16 miles) and a 133-year orbit around the Sun, Comet Swift-Tuttle is classified as a short-period comet denoted by the “P” in its official designation, 109P/Swift-Tuttle.

The comet’s last visible appearance was in 1992, with its next anticipated return in 2125 or 2126. While it was too dim to be observed with the naked eye in 1992, a clearer view is expected a century from now.

Will the moon affect visibility?

This year, moonlight may pose a challenge as a half moon will be visible on the evenings of August 11 and 12 before and after the peak. The moon’s luminosity will gradually increase as it approaches full moon status on August 19.

If observing at night, you may have to contend with moonlight obstruction, with the Moon being 51% bright on August 12 and 61% bright on August 13.

However, as the Perseid meteor shower activity intensifies after midnight on both nights, observing in the early morning should not be hindered by the moon’s light.

The optimum viewing time for the Perseid meteor shower is before sunrise between midnight and 5:30 am in the UK and 6 am in the US. With the moon below the horizon, there will be a higher probability of witnessing more meteors.

Tips for Maximizing Your Meteor Watching Experience

You don’t need a telescope or binoculars to enjoy the Perseid meteor shower; it’s best observed with the naked eye to capture a wider expanse of the sky than through optical devices.

“For optimal visibility, watch in a dark, moonless sky and allow at least 20 minutes in complete darkness to acclimatize to your surroundings,” suggests Lawrence. “A reclining chair provides an ideal vantage point for meteor observation.”

“Spend at least 30 minutes, if not longer, watching the sky. The rest is up to chance, but witnessing a bright summer meteor streaking across the sky will leave a lasting impression,” he adds.

Here are some tips to help you maximize your meteor viewing experience.

• Avoid bright lights. Choose viewing locations away from bright artificial lights and ensure that streetlights are not directly in your line of vision.
• Allow your eyes to adapt. Spend about 20 minutes outside until your eyes adjust to the darkness.
• Use a red light filter when looking at your phone. This can be a physical red filter or an app that maintains your night vision until your eyes acclimate.
• Choose the right time: Early morning is the prime time to witness the Perseid meteor shower at its peak activity and with the Moon below the horizon.
• Block out the moon. If unable to observe in the early morning, still look out for meteors in the evening. During the peak on August 11/12 and 12/13, the Moon will be about 50-60% illuminated, so position yourself where the Moon is obscured by buildings or trees for better viewing.
• Keep a wide field of vision. Maximize your peripheral vision to see as much of the sky as possible.
• Beware of fireballs. The larger particles from the comet fragments responsible for the Perseid meteor shower can produce bright, long-lasting bursts of light, known as fireballs.

Identifying Perseid Meteors

While other meteors might be visible during this event, they are considered sporadic meteors.

Referred to as “sporadic meteor showers,” these meteors can appear from any direction in the sky and are not linked to a specific meteor shower like the Perseids (albeit they may originate from undiscovered meteor showers).

Lawrence differentiates between sporadic and shower meteors, stating: “Sporadic meteors occur when a small rock, typically the size of a grain of sand, enters Earth’s atmosphere, vaporizes, and creates a luminous streak known as a meteor trail. These occur randomly and can appear at any time, from any direction.”

Distinguishing between a sporadic meteor and a Perseid meteor shower can be tricky, but it’s based on their apparent direction in the sky. Meteor showers typically emanate from the radiant point associated with the shower, while sporadic meteors can streak across the sky from any direction at any given time.

According to Lawrence, “Meteor showers, in contrast [to sporadics], occur when a stream of sand-sized particles in orbit around the Sun intersects Earth’s atmosphere. Associated with comets and possibly asteroids, these particles are released over time and dispersed into orbit.”

“As they follow parallel orbits around the Sun and enter the atmosphere, they appear to originate from the same region of the sky, known as the shower’s radiant point.”

Knowing the radiant point of a specific meteor shower (such as the constellation Perseus for the Perseid meteor shower) enables you to discern whether the meteor you’re witnessing belongs to that meteor shower or if it’s a sporadic meteor.

About our experts

Pete Lawrence: With extensive experience as an astronomer, astrophotographer, and BBC night sky presenter, Pete Lawrence’s expertise shines on the show aired on BBC Four and available on demand through BBC iPlayer.

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