Night Sky Alert
Aurora australis glowing green and red above calm southern water
Tonight in Perth, Australia · More in Australia →
5 OUT OF 100

Stay in

Perth night sky · Sat, Oct 17, dark 7:24 PM–4:39 AM AWST
Clouds
66%average tonight
Moon
39%Waxing Crescent
Aurora
Kp 2.0need Kp 9
Space station
Noneno visible pass tonight
  • Aurora unlikely. Tonight's forecast peaks at Kp 2.0. From here you'd usually need about Kp 9, which takes a rare, extreme storm.
  • No visible space station pass during tonight’s dark hours.
  • Moon 39% lit (Waxing Crescent), above the horizon for 58% of the dark hours.
  • Clouds: about 66% effective cover during dark hours.

Updated 6 min ago. Times in Australia/Perth (AWST).

Photo: Will Standring · CC BY 2.0

Clouds tonight
5:00 PMclouds, % of sky5:00 AM
Aurora australis reach
Kp 9 needed
Magnetic latitude 43.5° S. Look south. Tonight's forecast peak: Kp 2.0. Live map →
Moon
39% lit
Waxing Crescent. Up for 58% of dark hours.
Next meteor peak
Orionids
Peak night Oct 21–22 · Moon 82% lit

Next visible space station passes

No visible passes in the next day or so. They come in runs of several days, a few times a month.

Launches within view

No scheduled launches within 1,000 km in the next week or so.

Free alerts

Get a heads-up when it's worth going out

One email when your sky is genuinely worth it: an aurora within reach, a launch you can see, a clear peak night. Nothing on ordinary nights. We'll confirm your address first, and you can unsubscribe in one click.

Nearby

Perth, Australia · -31.95°, 115.86° · population 2,384,371 (GeoNames). The score is an estimate; here's how it's made.