Where you are
Move south and the whole sky tips over: things that never set from London sink below the horizon, and the Southern Cross climbs into view.
Show
←→↑↓ look around · +− zoom
Enter name what is in the middle
Readout
0 catalogued stars, each drawn at its real position and brightness for the hour, month and place you pick. The faint dust behind them stands in for the millions too dim to name.
Tonight
Same clock time, six months apart, and you are facing the opposite half of the galaxy.
Find
Tap a star to name it — or press Enter with the sky focused to name whatever sits in the middle of the view.