30-07-2025
Australia set for Celestial Spectacle as Southern Delta Aquariids and Alpha Capricornids meteor showers peak this week
Night skies across Australia are set to dazzle as two meteor showers, the Southern Delta Aquariids and Alpha Capricornids, peak this week, offering stargazers a rare celestial double feature.
The dual showers will be most visible between 11 pm and dawn next week, with peak activity expected around 2 am for the Delta Aquariids and just before midnight for the Alpha Capricornids, according to Professor Jonti Horner, an astrophysicist at the University of Southern Queensland.
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'This is a fantastic opportunity,' Horner said. 'You won't need a telescope or binoculars; in fact, they'll limit your view. All you need are your eyes, a dark sky, and a bit of patience.'
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Best seats in the house
Australia is ideally positioned in the southern hemisphere to catch both showers. But location matters; experts recommend escaping city lights. Horner advises scouting a viewing spot during daylight hours to avoid surprises at night.
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'The further you are from artificial light, buildings, streetlamps, car headlights, the better your chances of seeing the meteor trails,' he said. Weather could affect visibility, with clouds forecast in Melbourne and Brisbane, and possible showers in Sydney on Wednesday night.
What you'll see
The Southern Delta Aquariids, the more active of the two showers, are expected to produce up to 20 meteors per hour, entering Earth's atmosphere at speeds around 40 kilometers per second. These meteors tend to be faint but can leave glowing trails.
The Alpha Capricornids, while less prolific, are known for producing bright, slow-moving fireballs, offering a more dramatic viewing experience. Both showers appear to originate from specific points in the sky known as 'radiants,' located in the constellations Aquarius and Capricornus, hence their names.
Stargazing tips
To maximize your viewing experience, Horner recommends letting your eyes adjust to the dark, ideally for 30 to 45 minutes, and avoiding screens during that time.
'Bring a blanket, some pillows, maybe a reclining chair,' he said. 'Comfort helps. Looking up for long periods can strain your neck.'
Apps like Sky Map or Star Walk can help locate the radiant points in the sky, but experts caution against getting too distracted.
For those who miss this week's display, December promises even more. The Geminid meteor shower, considered the best of the year, will peak on December 14–15 under a new moon, offering dark skies and spectacular viewing conditions.
