Night Sky Alert
Tonight in Otaru, Japan · More in Japan →
27 OUT OF 100

MaybeOtaru night sky · Sat, Oct 17, dark 17:52–4:50 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 3:23, up to 21° high, moving S → 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 34% effective cover during dark hours.

Updated 33 min ago. Times in Asia/Tokyo (GMT+9).

Clouds tonight
15:00clouds, % of sky5:00
Aurora reach
Kp 9+ needed
Magnetic latitude 37.4° 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+9)HighestPath
Sun, Oct 18, 3:2121°S → E
Sun, Oct 18, 4:5756°W → NE

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

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

Otaru, Japan · 43.19°, 141.00° · population 115,333 (GeoNames). The score is an estimate; here's how it's made.