Night Sky Alert
Tonight in Ueda, Japan · More in Japan →
40 OUT OF 100

MaybeUeda night sky · Sat, Oct 17, dark 18:04–5:00 GMT+9

  • 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 3:22, up to 35° high, moving S → NE. It looks like a bright, steady star that crosses the sky in a few minutes.
  • Moon 38% lit (Waxing Crescent), above the horizon for 32% of the dark hours.
  • Clouds: about 2% effective cover during dark hours, so mostly clear.

Updated just now. Times in Asia/Tokyo (GMT+9).

Clouds tonight
16:00clouds, % of sky6:00
Aurora reach
Kp 9+ needed
Magnetic latitude 30.6° 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 32% of dark hours.
Next meteor peak
Orionids
Peak night Oct 21–22 · Moon 82% lit

Next visible space station passes

When (GMT+9)HighestPath
Sun, Oct 18, 3:1935°S → NE
Sun, Oct 18, 4:5624°W → NE

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

Launches within view

LaunchWhen (GMT+9)Distance
H3-24 | Martian Moons eXploration (MMX)Tue, Oct 20, 4:41951 km

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

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Nearby

Ueda, Japan · 36.40°, 138.28° · population 157,480 (GeoNames). The score is an estimate; here's how it's made.