Okayama or Fukuyama · Altitude not shown until sourced

Bisei Astronomical Observatory

The public observatory in Bisei, with night access governed by its official calendar.

Stargazing looks difficult. Try another night.

Forecast availableSky conditions onlyRecommendation paused

Sunset 17:01Astronomical dark 18:28Sunrise 06:39

0Sky conditions only

Good↗

Moon for the selected night

Waxing crescent

22% · Above horizon

22%

Poor

Cloud

66%

Wind 3.6 km/h

Poor

Rain chance

89%

Visibility 3.6 km

Poor

Humidity

95% · 12°C

Visibility 3.6 km

Hourly sky conditions

Sat, Nov 14

Outside opening window

Checks before departure

Verify the open night, hours, and any storm or snow closure on the official calendar.

Outside opening windowOfficial warning not verifiedStatus source expired

Time basis: Asia/Tokyo
Forecast and viewing coordinates: 34.67203, 133.54539
Altitude: Altitude not shown until sourced

Before you stargaze

· Give your eyes about 10 minutes to adapt to the dark after arrival.
· Keep flashlights and vehicle lights low for other stargazers.
· Recheck local wind, cloud, temperature, and official warnings just before departure.
· Verify roads, public transport, the walking route, and your return separately from the sky score.

Sources and checked dates

Geospatial Information Authority of Japan map

Checked: Jul 10, 2026, 00:00 · Review by: Jan 6, 2027, 00:00

Bisei Astronomical Observatory 2026 opening calendar

Checked: Jul 10, 2026, 00:00 · Review by: Jul 24, 2026, 00:00

Japan Meteorological Agency warnings and advisories

Checked: Jul 10, 2026, 00:00 · Review by: Jul 11, 2026, 00:00

Back to Japan conditions

Okayama or Fukuyama · Altitude not shown until sourced

Bisei Astronomical Observatory

The public observatory in Bisei, with night access governed by its official calendar.

Stargazing looks difficult. Try another night.

Forecast availableSky conditions onlyRecommendation paused

Sunset 17:01Astronomical dark 18:28Sunrise 06:39

0Sky conditions only

Good↗

Moon for the selected night

Waxing crescent

22% · Above horizon

22%

Poor

Cloud

66%

Wind 3.6 km/h

Poor

Rain chance

89%

Visibility 3.6 km

Poor

Humidity

95% · 12°C

Visibility 3.6 km

Hourly sky conditions

Sat, Nov 14

Outside opening window

Checks before departure

Verify the open night, hours, and any storm or snow closure on the official calendar.

Outside opening windowOfficial warning not verifiedStatus source expired

Time basis: Asia/Tokyo
Forecast and viewing coordinates: 34.67203, 133.54539
Altitude: Altitude not shown until sourced

Before you stargaze

· Give your eyes about 10 minutes to adapt to the dark after arrival.
· Keep flashlights and vehicle lights low for other stargazers.
· Recheck local wind, cloud, temperature, and official warnings just before departure.
· Verify roads, public transport, the walking route, and your return separately from the sky score.

Sources and checked dates

Geospatial Information Authority of Japan map

Checked: Jul 10, 2026, 00:00 · Review by: Jan 6, 2027, 00:00

Bisei Astronomical Observatory 2026 opening calendar

Checked: Jul 10, 2026, 00:00 · Review by: Jul 24, 2026, 00:00

Japan Meteorological Agency warnings and advisories

Checked: Jul 10, 2026, 00:00 · Review by: Jul 11, 2026, 00:00