JP

360° NIGHT SKY PLANETARIUM

North N · 0°

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Display month

August

Based on Tokyo, Japan / 21:00 on the 15th of each month

HYG v4.1 star data · magnitude 6.5 or brighter · processed

CREDITS & LICENSES

Credits & licenses

Observation basis

All sky positions are calculated for Tokyo, Japan (35.68° N, 139.65° E) at 21:00 Japan Standard Time on the 15th of each month in 2026. The observation location is fixed; this site does not request or store your location.

Star data

HYG Database v4.1 / astronexus is filtered to apparent magnitude 6.5 or brighter and converted to JSON for this site. The processed star catalog is provided under CC BY-SA 4.0.

Earth imagery

Surface: NASA Visible Earth, The Blue Marble. NASA Goddard Space Flight Center image by Reto Stöckli; enhancements by Robert Simmon.

Night lights: NASA Earth at Night 2012. NASA Earth Observatory image by Robert Simmon, using Suomi NPP VIIRS data provided courtesy of Chris Elvidge (NOAA NGDC).

Astronomy and direction calculations

Planet positions: Astronomy Engine. Magnetic declination: NOAA NCEI / British Geological Survey, World Magnetic Model 2025. Constellation lines and star names: d3-celestial.

Copyright notices and full license texts for the open-source software used on this site are available in THIRD_PARTY_NOTICES.txt.

The night sky could not be displayed with WebGL.