Watch plan
-- meteors per hour
during a 60-minute watch
- 01 Find the darkest safe place you can.
- 02 Look wide and keep phones dim.
- 03 Watch for at least half an hour.
Your sky, not the headline ZHR
Is tonight worth watching?
See how many meteors you may actually catch, when to go outside, and which way to look. The forecast accounts for your location, sky glow, the Moon, radiant height, and twilight.
London, UK · suburban sky
Tonight's forecast
Clear-sky estimate · updated in your browser
Tonight
Calculating...
Meteors can cross any part of the sky. The stream direction below helps you avoid staring directly at its radiant.
Calculating your sky...
--
meteors per hour
--
between meteors
This is a realistic range for one observer under a clear sky. Give your eyes at least 20 minutes to adjust.
When
--
best continuous window
Your skyMoon up
Calculating Moon conditions...
Where
Calculating direction...
Why this number?
A forecast, not a promise.
Headline ZHR assumes a perfect, moonless sky with the radiant directly overhead. This model subtracts what your real sky takes away.
Shower activity
Your sky + Moon
Radiant angle
Year ahead
The next major peaks, calculated for you.
Peak dates come from solar longitude, so they move correctly from year to year. Each rate is recomputed for your selected place and sky.
Saw a fireball? Report it to AMS/IMO ↗- Calculating the year ahead...
Shower data: IMO Working List of Visual Meteor Showers (International Meteor Organization). Parent bodies: IAU Meteor Data Centre (Jenniskens et al. 2020, Planetary and Space Science 182, 104821).