Night Sky Alert
Star trails circling the celestial pole above a volcano, crossed by the straight line of a space station pass
Tonight in Siping, China · More in China →
20 OUT OF 100

Stay in

Siping night sky · Sat, Oct 17, dark 17:58–4:57 GMT+8
Clouds
50%average tonight
Moon
38%Waxing Crescent
Aurora
Kp 2.0need Kp 9+
Space station
3:5737° high · SW→E
  • 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.
  • Space station passes at 3:57, up to 37° high, moving SW → E. It looks like a bright, steady star that crosses the sky in a few minutes.
  • Moon 38% lit (Waxing Crescent), above the horizon for 27% of the dark hours.
  • Clouds: about 50% effective cover during dark hours.

Updated 22 min ago. Times in Asia/Shanghai (GMT+8).

Photo: Benedikt Markus · CC BY-SA 4.0

Clouds tonight
20:00clouds, % of sky5:00
Aurora reach
Kp 9+ needed
Magnetic latitude 38.4° N, too far from either auroral zone in all but the rarest storms. Tonight's forecast peak: Kp 2.0. Live map →
Moon
38% lit
Waxing Crescent. Up for 27% of dark hours.
Next meteor peak
Orionids
Peak night Oct 21–22 · Moon 82% lit

Next visible space station passes

When (GMT+8)HighestPath
Sun, Oct 18, 3:5437°SW → E

Visible passes only: station sunlit, your sky dark. Computed from CelesTrak orbital data.

Launches within view

LaunchWhen (GMT+8)Distance
Ceres-1S | Unknown PayloadWed, Oct 21, 11:35956 km

Launches within 1,000 km in the coming days. Night and twilight launches are the ones to watch. Data: The Space Devs.

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

Siping, China · 43.16°, 124.38° · population 627,957 (GeoNames). The score is an estimate; here's how it's made.