Web Planetarium
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Whose sky?
📍 Use my location
Latitude (south is −)
Longitude (west is −)
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Your location is used only to calculate the sky and is never sent anywhere. For your location or typed coordinates, times use your device’s time zone.
Lines
Names
Time
Moon phase
Quiz
Asterisms
Red light
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Web Planetarium
HOSHIZORA SANPO
Drag
Look around (swipe on a phone)
Pinch / wheel
Zoom in and out
Tap
Open notes on a constellation, star, the Moon or a planet
Time
Move time and watch the stars, Sun and Moon move
Place
Pick a city or type a latitude and longitude
Red light
Keeps your eyes used to the dark outdoors
Start
Sky calendar
How it works
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