What an interactive star map shows
A star map converts date, time, latitude, and longitude into the part of the sky above your horizon. That is why the same constellation can be high for one observer and below the horizon for another.
Interactive night sky map
Interactive Star Map for Tonight’s Sky
Use this guide to understand how a real-time star map works, what location changes, and when to open the AR viewer to identify stars, planets, and constellations.
Why location matters
Your latitude changes which constellations can rise above the horizon. Your longitude and time determine where objects appear right now.
How AR helps
A flat star map is useful for planning, while AR helps compare the map with what your camera sees. Start with bright stars, then trace constellation lines.
Frequently asked questions
Short answers for common skywatching questions before opening the AR viewer.
Is the star map different for every location?
Yes. Latitude changes which objects can rise, while longitude and time change where objects appear right now.
Why should I open AR after reading the map?
The guide explains what to look for. AR helps compare those directions with your live camera view outside.
Can a browser star map work without installing an app?
Yes on supported mobile browsers over HTTPS, using camera, location, and orientation permissions after a user tap.
Open the AR star map
Use the live browser viewer when you are ready to compare the sky map with the real night sky.